diff --git a/Francesco.Recipes.World/Data/FrancescosRecipesWorldDbContext.cs b/Francesco.Recipes.World/Data/FrancescosRecipesWorldDbContext.cs
index 2de637a..fe4646e 100644
--- a/Francesco.Recipes.World/Data/FrancescosRecipesWorldDbContext.cs
+++ b/Francesco.Recipes.World/Data/FrancescosRecipesWorldDbContext.cs
@@ -5,12 +5,10 @@
     using Francesco.Recipes.World.Models.BackendModels.Instruction;
     using Francesco.Recipes.World.Models.BackendModels.Recipe;
     using Francesco.Recipes.World.Models.BackendModels.RecipeIngredient;
-    using Francesco.Recipes.World.Models.BackendModels;
-    using Microsoft.AspNetCore.Identity;
-    using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
+    using Francesco.Recipes.World.Models.BackendModels.Unit;
     using Microsoft.EntityFrameworkCore;
 
-    public class FrancescosRecipesWorldDbContext : IdentityDbContext<IdentityUser>
+    public class FrancescosRecipesWorldDbContext : DbContext
     {
         public FrancescosRecipesWorldDbContext(DbContextOptions<FrancescosRecipesWorldDbContext> options) 
             : base(options) 
@@ -22,26 +20,6 @@
         public DbSet<Instruction> Instructions => Set<Instruction>();
         public DbSet<Recipe> Recipes => Set<Recipe>();
         public DbSet<RecipeIngredient> RecipeIngredients => Set<RecipeIngredient>();
-
-        public override Task<int> SaveChangesAsync(CancellationToken cancellationToken = default)
-        {
-            foreach (var entry in ChangeTracker.Entries())
-            {
-                if (entry.Entity is ITimeStampedEntity timeStampedEntity)
-                {
-                    switch (entry.State)
-                    {
-                        case EntityState.Added:
-                            timeStampedEntity.CreatedAt = DateTime.UtcNow;
-                            break;
-                        case EntityState.Modified:
-                            timeStampedEntity.ModifiedAt = DateTime.UtcNow;
-                            break;
-                    }
-                }
-            }
-
-            return base.SaveChangesAsync(cancellationToken);
-        }
+        public DbSet<Unit> Units => Set<Unit>();
     }
 }
diff --git a/Francesco.Recipes.World/Francesco.Recipes.World.csproj b/Francesco.Recipes.World/Francesco.Recipes.World.csproj
index 3f3545e..f9e0493 100644
--- a/Francesco.Recipes.World/Francesco.Recipes.World.csproj
+++ b/Francesco.Recipes.World/Francesco.Recipes.World.csproj
@@ -8,7 +8,20 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="9.0.0">
+    <PackageReference Include="Microsoft.AspNetCore.Identity.UI" Version="8.0.11" />
+    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+      <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="8.0.11" />
+      <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.11" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.11">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Proxies" Version="8.0.11" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.11" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.11">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
@@ -16,6 +29,9 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="Sentry.Serilog" Version="4.13.0" />
+    <PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
+    <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.4" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/Francesco.Recipes.World/Migrations/20241218153356_InitialMigration.Designer.cs b/Francesco.Recipes.World/Migrations/20241218153356_InitialMigration.Designer.cs
deleted file mode 100644
index 1e6a2c3..0000000
--- a/Francesco.Recipes.World/Migrations/20241218153356_InitialMigration.Designer.cs
+++ /dev/null
@@ -1,440 +0,0 @@
-// <auto-generated />
-using System;
-using Francesco.Recipes.World.Data;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Metadata;
-using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-#nullable disable
-
-namespace Francesco.Recipes.World.Migrations
-{
-    [DbContext(typeof(FrancescosRecipesWorldDbContext))]
-    [Migration("20241218153356_InitialMigration")]
-    partial class InitialMigration
-    {
-        /// <inheritdoc />
-        protected override void BuildTargetModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder
-                .HasAnnotation("ProductVersion", "8.0.11")
-                .HasAnnotation("Relational:MaxIdentifierLength", 128);
-
-            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
-
-            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Category.Category", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<string>("Name")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Categories");
-                });
-
-            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Ingredient.Ingredient", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<string>("Name")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("Unit")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Ingredients");
-                });
-
-            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Instruction.Instruction", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<Guid>("RecipeId")
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<string>("StepDescription")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("StepNumber")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("RecipeId");
-
-                    b.ToTable("Instructions");
-                });
-
-            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Recipe.Recipe", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<Guid?>("CategoryId")
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<TimeSpan>("CookingTime")
-                        .HasColumnType("time");
-
-                    b.Property<string>("Description")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("Difficulty")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("Name")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<TimeSpan>("PreparationTime")
-                        .HasColumnType("time");
-
-                    b.Property<int>("Servings")
-                        .HasColumnType("int");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("CategoryId");
-
-                    b.ToTable("Recipes");
-                });
-
-            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.RecipeIngredient.RecipeIngredient", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<Guid>("IngredientId")
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<Guid>("RecipeId")
-                        .HasColumnType("uniqueidentifier");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("IngredientId");
-
-                    b.HasIndex("RecipeId");
-
-                    b.ToTable("RecipeIngredients");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
-                {
-                    b.Property<string>("Id")
-                        .HasColumnType("nvarchar(450)");
-
-                    b.Property<string>("ConcurrencyStamp")
-                        .IsConcurrencyToken()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("Name")
-                        .HasMaxLength(256)
-                        .HasColumnType("nvarchar(256)");
-
-                    b.Property<string>("NormalizedName")
-                        .HasMaxLength(256)
-                        .HasColumnType("nvarchar(256)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("NormalizedName")
-                        .IsUnique()
-                        .HasDatabaseName("RoleNameIndex")
-                        .HasFilter("[NormalizedName] IS NOT NULL");
-
-                    b.ToTable("AspNetRoles", (string)null);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("int");
-
-                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
-
-                    b.Property<string>("ClaimType")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("ClaimValue")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("RoleId")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(450)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("RoleId");
-
-                    b.ToTable("AspNetRoleClaims", (string)null);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUser", b =>
-                {
-                    b.Property<string>("Id")
-                        .HasColumnType("nvarchar(450)");
-
-                    b.Property<int>("AccessFailedCount")
-                        .HasColumnType("int");
-
-                    b.Property<string>("ConcurrencyStamp")
-                        .IsConcurrencyToken()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("Email")
-                        .HasMaxLength(256)
-                        .HasColumnType("nvarchar(256)");
-
-                    b.Property<bool>("EmailConfirmed")
-                        .HasColumnType("bit");
-
-                    b.Property<bool>("LockoutEnabled")
-                        .HasColumnType("bit");
-
-                    b.Property<DateTimeOffset?>("LockoutEnd")
-                        .HasColumnType("datetimeoffset");
-
-                    b.Property<string>("NormalizedEmail")
-                        .HasMaxLength(256)
-                        .HasColumnType("nvarchar(256)");
-
-                    b.Property<string>("NormalizedUserName")
-                        .HasMaxLength(256)
-                        .HasColumnType("nvarchar(256)");
-
-                    b.Property<string>("PasswordHash")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("PhoneNumber")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<bool>("PhoneNumberConfirmed")
-                        .HasColumnType("bit");
-
-                    b.Property<string>("SecurityStamp")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<bool>("TwoFactorEnabled")
-                        .HasColumnType("bit");
-
-                    b.Property<string>("UserName")
-                        .HasMaxLength(256)
-                        .HasColumnType("nvarchar(256)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("NormalizedEmail")
-                        .HasDatabaseName("EmailIndex");
-
-                    b.HasIndex("NormalizedUserName")
-                        .IsUnique()
-                        .HasDatabaseName("UserNameIndex")
-                        .HasFilter("[NormalizedUserName] IS NOT NULL");
-
-                    b.ToTable("AspNetUsers", (string)null);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("int");
-
-                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
-
-                    b.Property<string>("ClaimType")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("ClaimValue")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("UserId")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(450)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("UserId");
-
-                    b.ToTable("AspNetUserClaims", (string)null);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
-                {
-                    b.Property<string>("LoginProvider")
-                        .HasMaxLength(128)
-                        .HasColumnType("nvarchar(128)");
-
-                    b.Property<string>("ProviderKey")
-                        .HasMaxLength(128)
-                        .HasColumnType("nvarchar(128)");
-
-                    b.Property<string>("ProviderDisplayName")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("UserId")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(450)");
-
-                    b.HasKey("LoginProvider", "ProviderKey");
-
-                    b.HasIndex("UserId");
-
-                    b.ToTable("AspNetUserLogins", (string)null);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
-                {
-                    b.Property<string>("UserId")
-                        .HasColumnType("nvarchar(450)");
-
-                    b.Property<string>("RoleId")
-                        .HasColumnType("nvarchar(450)");
-
-                    b.HasKey("UserId", "RoleId");
-
-                    b.HasIndex("RoleId");
-
-                    b.ToTable("AspNetUserRoles", (string)null);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
-                {
-                    b.Property<string>("UserId")
-                        .HasColumnType("nvarchar(450)");
-
-                    b.Property<string>("LoginProvider")
-                        .HasMaxLength(128)
-                        .HasColumnType("nvarchar(128)");
-
-                    b.Property<string>("Name")
-                        .HasMaxLength(128)
-                        .HasColumnType("nvarchar(128)");
-
-                    b.Property<string>("Value")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.HasKey("UserId", "LoginProvider", "Name");
-
-                    b.ToTable("AspNetUserTokens", (string)null);
-                });
-
-            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Instruction.Instruction", b =>
-                {
-                    b.HasOne("Francesco.Recipes.World.Models.BackendModels.Recipe.Recipe", "Recipe")
-                        .WithMany("Instructions")
-                        .HasForeignKey("RecipeId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("Recipe");
-                });
-
-            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Recipe.Recipe", b =>
-                {
-                    b.HasOne("Francesco.Recipes.World.Models.BackendModels.Category.Category", null)
-                        .WithMany("Recipes")
-                        .HasForeignKey("CategoryId");
-                });
-
-            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.RecipeIngredient.RecipeIngredient", b =>
-                {
-                    b.HasOne("Francesco.Recipes.World.Models.BackendModels.Ingredient.Ingredient", "Ingredient")
-                        .WithMany()
-                        .HasForeignKey("IngredientId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("Francesco.Recipes.World.Models.BackendModels.Recipe.Recipe", "Recipe")
-                        .WithMany("RecipeIngredients")
-                        .HasForeignKey("RecipeId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("Ingredient");
-
-                    b.Navigation("Recipe");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
-                        .WithMany()
-                        .HasForeignKey("RoleId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
-                        .WithMany()
-                        .HasForeignKey("RoleId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Category.Category", b =>
-                {
-                    b.Navigation("Recipes");
-                });
-
-            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Recipe.Recipe", b =>
-                {
-                    b.Navigation("Instructions");
-
-                    b.Navigation("RecipeIngredients");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
diff --git a/Francesco.Recipes.World/Migrations/20241218153356_InitialMigration.cs b/Francesco.Recipes.World/Migrations/20241218153356_InitialMigration.cs
deleted file mode 100644
index aab60f8..0000000
--- a/Francesco.Recipes.World/Migrations/20241218153356_InitialMigration.cs
+++ /dev/null
@@ -1,360 +0,0 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
-
-#nullable disable
-
-namespace Francesco.Recipes.World.Migrations
-{
-    /// <inheritdoc />
-    public partial class InitialMigration : Migration
-    {
-        /// <inheritdoc />
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            if (migrationBuilder == null)
-            {
-                throw new ArgumentNullException(nameof(migrationBuilder));
-            }
-            migrationBuilder.CreateTable(
-                name: "AspNetRoles",
-                columns: table => new
-                {
-                    Id = table.Column<string>(type: "nvarchar(450)", nullable: false),
-                    Name = table.Column<string>(type: "nvarchar(256)", maxLength: 256, nullable: true),
-                    NormalizedName = table.Column<string>(type: "nvarchar(256)", maxLength: 256, nullable: true),
-                    ConcurrencyStamp = table.Column<string>(type: "nvarchar(max)", nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetRoles", x => x.Id);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "AspNetUsers",
-                columns: table => new
-                {
-                    Id = table.Column<string>(type: "nvarchar(450)", nullable: false),
-                    UserName = table.Column<string>(type: "nvarchar(256)", maxLength: 256, nullable: true),
-                    NormalizedUserName = table.Column<string>(type: "nvarchar(256)", maxLength: 256, nullable: true),
-                    Email = table.Column<string>(type: "nvarchar(256)", maxLength: 256, nullable: true),
-                    NormalizedEmail = table.Column<string>(type: "nvarchar(256)", maxLength: 256, nullable: true),
-                    EmailConfirmed = table.Column<bool>(type: "bit", nullable: false),
-                    PasswordHash = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    SecurityStamp = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    ConcurrencyStamp = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    PhoneNumber = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    PhoneNumberConfirmed = table.Column<bool>(type: "bit", nullable: false),
-                    TwoFactorEnabled = table.Column<bool>(type: "bit", nullable: false),
-                    LockoutEnd = table.Column<DateTimeOffset>(type: "datetimeoffset", nullable: true),
-                    LockoutEnabled = table.Column<bool>(type: "bit", nullable: false),
-                    AccessFailedCount = table.Column<int>(type: "int", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetUsers", x => x.Id);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "Categories",
-                columns: table => new
-                {
-                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
-                    Name = table.Column<string>(type: "nvarchar(max)", nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_Categories", x => x.Id);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "Ingredients",
-                columns: table => new
-                {
-                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
-                    Name = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    Unit = table.Column<string>(type: "nvarchar(max)", nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_Ingredients", x => x.Id);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "AspNetRoleClaims",
-                columns: table => new
-                {
-                    Id = table.Column<int>(type: "int", nullable: false)
-                        .Annotation("SqlServer:Identity", "1, 1"),
-                    RoleId = table.Column<string>(type: "nvarchar(450)", nullable: false),
-                    ClaimType = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    ClaimValue = table.Column<string>(type: "nvarchar(max)", nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetRoleClaims", x => x.Id);
-                    table.ForeignKey(
-                        name: "FK_AspNetRoleClaims_AspNetRoles_RoleId",
-                        column: x => x.RoleId,
-                        principalTable: "AspNetRoles",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "AspNetUserClaims",
-                columns: table => new
-                {
-                    Id = table.Column<int>(type: "int", nullable: false)
-                        .Annotation("SqlServer:Identity", "1, 1"),
-                    UserId = table.Column<string>(type: "nvarchar(450)", nullable: false),
-                    ClaimType = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    ClaimValue = table.Column<string>(type: "nvarchar(max)", nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetUserClaims", x => x.Id);
-                    table.ForeignKey(
-                        name: "FK_AspNetUserClaims_AspNetUsers_UserId",
-                        column: x => x.UserId,
-                        principalTable: "AspNetUsers",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "AspNetUserLogins",
-                columns: table => new
-                {
-                    LoginProvider = table.Column<string>(type: "nvarchar(128)", maxLength: 128, nullable: false),
-                    ProviderKey = table.Column<string>(type: "nvarchar(128)", maxLength: 128, nullable: false),
-                    ProviderDisplayName = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    UserId = table.Column<string>(type: "nvarchar(450)", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetUserLogins", x => new { x.LoginProvider, x.ProviderKey });
-                    table.ForeignKey(
-                        name: "FK_AspNetUserLogins_AspNetUsers_UserId",
-                        column: x => x.UserId,
-                        principalTable: "AspNetUsers",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "AspNetUserRoles",
-                columns: table => new
-                {
-                    UserId = table.Column<string>(type: "nvarchar(450)", nullable: false),
-                    RoleId = table.Column<string>(type: "nvarchar(450)", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetUserRoles", x => new { x.UserId, x.RoleId });
-                    table.ForeignKey(
-                        name: "FK_AspNetUserRoles_AspNetRoles_RoleId",
-                        column: x => x.RoleId,
-                        principalTable: "AspNetRoles",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                    table.ForeignKey(
-                        name: "FK_AspNetUserRoles_AspNetUsers_UserId",
-                        column: x => x.UserId,
-                        principalTable: "AspNetUsers",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "AspNetUserTokens",
-                columns: table => new
-                {
-                    UserId = table.Column<string>(type: "nvarchar(450)", nullable: false),
-                    LoginProvider = table.Column<string>(type: "nvarchar(128)", maxLength: 128, nullable: false),
-                    Name = table.Column<string>(type: "nvarchar(128)", maxLength: 128, nullable: false),
-                    Value = table.Column<string>(type: "nvarchar(max)", nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetUserTokens", x => new { x.UserId, x.LoginProvider, x.Name });
-                    table.ForeignKey(
-                        name: "FK_AspNetUserTokens_AspNetUsers_UserId",
-                        column: x => x.UserId,
-                        principalTable: "AspNetUsers",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "Recipes",
-                columns: table => new
-                {
-                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
-                    Name = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    Description = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    Difficulty = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    Servings = table.Column<int>(type: "int", nullable: false),
-                    PreparationTime = table.Column<TimeSpan>(type: "time", nullable: false),
-                    CookingTime = table.Column<TimeSpan>(type: "time", nullable: false),
-                    CategoryId = table.Column<Guid>(type: "uniqueidentifier", nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_Recipes", x => x.Id);
-                    table.ForeignKey(
-                        name: "FK_Recipes_Categories_CategoryId",
-                        column: x => x.CategoryId,
-                        principalTable: "Categories",
-                        principalColumn: "Id");
-                });
-
-            migrationBuilder.CreateTable(
-                name: "Instructions",
-                columns: table => new
-                {
-                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
-                    StepDescription = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    StepNumber = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    RecipeId = table.Column<Guid>(type: "uniqueidentifier", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_Instructions", x => x.Id);
-                    table.ForeignKey(
-                        name: "FK_Instructions_Recipes_RecipeId",
-                        column: x => x.RecipeId,
-                        principalTable: "Recipes",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "RecipeIngredients",
-                columns: table => new
-                {
-                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
-                    RecipeId = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
-                    IngredientId = table.Column<Guid>(type: "uniqueidentifier", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_RecipeIngredients", x => x.Id);
-                    table.ForeignKey(
-                        name: "FK_RecipeIngredients_Ingredients_IngredientId",
-                        column: x => x.IngredientId,
-                        principalTable: "Ingredients",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                    table.ForeignKey(
-                        name: "FK_RecipeIngredients_Recipes_RecipeId",
-                        column: x => x.RecipeId,
-                        principalTable: "Recipes",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                });
-
-            migrationBuilder.CreateIndex(
-                name: "IX_AspNetRoleClaims_RoleId",
-                table: "AspNetRoleClaims",
-                column: "RoleId");
-
-            migrationBuilder.CreateIndex(
-                name: "RoleNameIndex",
-                table: "AspNetRoles",
-                column: "NormalizedName",
-                unique: true,
-                filter: "[NormalizedName] IS NOT NULL");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_AspNetUserClaims_UserId",
-                table: "AspNetUserClaims",
-                column: "UserId");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_AspNetUserLogins_UserId",
-                table: "AspNetUserLogins",
-                column: "UserId");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_AspNetUserRoles_RoleId",
-                table: "AspNetUserRoles",
-                column: "RoleId");
-
-            migrationBuilder.CreateIndex(
-                name: "EmailIndex",
-                table: "AspNetUsers",
-                column: "NormalizedEmail");
-
-            migrationBuilder.CreateIndex(
-                name: "UserNameIndex",
-                table: "AspNetUsers",
-                column: "NormalizedUserName",
-                unique: true,
-                filter: "[NormalizedUserName] IS NOT NULL");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_Instructions_RecipeId",
-                table: "Instructions",
-                column: "RecipeId");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_RecipeIngredients_IngredientId",
-                table: "RecipeIngredients",
-                column: "IngredientId");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_RecipeIngredients_RecipeId",
-                table: "RecipeIngredients",
-                column: "RecipeId");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_Recipes_CategoryId",
-                table: "Recipes",
-                column: "CategoryId");
-        }
-
-        /// <inheritdoc />
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            if (migrationBuilder == null)
-            {
-                throw new ArgumentNullException(nameof(migrationBuilder));
-            }
-            migrationBuilder.DropTable(
-                name: "AspNetRoleClaims");
-
-            migrationBuilder.DropTable(
-                name: "AspNetUserClaims");
-
-            migrationBuilder.DropTable(
-                name: "AspNetUserLogins");
-
-            migrationBuilder.DropTable(
-                name: "AspNetUserRoles");
-
-            migrationBuilder.DropTable(
-                name: "AspNetUserTokens");
-
-            migrationBuilder.DropTable(
-                name: "Instructions");
-
-            migrationBuilder.DropTable(
-                name: "RecipeIngredients");
-
-            migrationBuilder.DropTable(
-                name: "AspNetRoles");
-
-            migrationBuilder.DropTable(
-                name: "AspNetUsers");
-
-            migrationBuilder.DropTable(
-                name: "Ingredients");
-
-            migrationBuilder.DropTable(
-                name: "Recipes");
-
-            migrationBuilder.DropTable(
-                name: "Categories");
-        }
-    }
-}
diff --git a/Francesco.Recipes.World/Migrations/20250114131454_InitialMigration.Designer.cs b/Francesco.Recipes.World/Migrations/20250114131454_InitialMigration.Designer.cs
new file mode 100644
index 0000000..77d228f
--- /dev/null
+++ b/Francesco.Recipes.World/Migrations/20250114131454_InitialMigration.Designer.cs
@@ -0,0 +1,230 @@
+// <auto-generated />
+using System;
+using Francesco.Recipes.World.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace Francesco.Recipes.World.Migrations
+{
+    [DbContext(typeof(FrancescosRecipesWorldDbContext))]
+    [Migration("20250114131454_InitialMigration")]
+    partial class InitialMigration
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.11")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Category.Category", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Categories");
+                });
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Ingredient.Ingredient", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("int");
+
+                    b.Property<Guid>("UnitId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UnitId");
+
+                    b.ToTable("Ingredients");
+                });
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Instruction.Instruction", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Number")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<Guid>("RecipeId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RecipeId");
+
+                    b.ToTable("Instructions");
+                });
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Recipe.Recipe", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<Guid?>("CategoryId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<TimeSpan>("CookingTime")
+                        .HasColumnType("time");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Difficulty")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<TimeSpan>("PreparationTime")
+                        .HasColumnType("time");
+
+                    b.Property<int>("Servings")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CategoryId");
+
+                    b.ToTable("Recipes");
+                });
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.RecipeIngredient.RecipeIngredient", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<Guid>("IngredientId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<Guid>("RecipeId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IngredientId");
+
+                    b.HasIndex("RecipeId");
+
+                    b.ToTable("RecipeIngredients");
+                });
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Unit.Unit", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Unit");
+                });
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Ingredient.Ingredient", b =>
+                {
+                    b.HasOne("Francesco.Recipes.World.Models.BackendModels.Unit.Unit", "Unit")
+                        .WithMany("Recipes")
+                        .HasForeignKey("UnitId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Unit");
+                });
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Instruction.Instruction", b =>
+                {
+                    b.HasOne("Francesco.Recipes.World.Models.BackendModels.Recipe.Recipe", "Recipe")
+                        .WithMany("Instructions")
+                        .HasForeignKey("RecipeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Recipe");
+                });
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Recipe.Recipe", b =>
+                {
+                    b.HasOne("Francesco.Recipes.World.Models.BackendModels.Category.Category", null)
+                        .WithMany("Recipes")
+                        .HasForeignKey("CategoryId");
+                });
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.RecipeIngredient.RecipeIngredient", b =>
+                {
+                    b.HasOne("Francesco.Recipes.World.Models.BackendModels.Ingredient.Ingredient", "Ingredient")
+                        .WithMany()
+                        .HasForeignKey("IngredientId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Francesco.Recipes.World.Models.BackendModels.Recipe.Recipe", "Recipe")
+                        .WithMany("RecipeIngredients")
+                        .HasForeignKey("RecipeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Ingredient");
+
+                    b.Navigation("Recipe");
+                });
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Category.Category", b =>
+                {
+                    b.Navigation("Recipes");
+                });
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Recipe.Recipe", b =>
+                {
+                    b.Navigation("Instructions");
+
+                    b.Navigation("RecipeIngredients");
+                });
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Unit.Unit", b =>
+                {
+                    b.Navigation("Recipes");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/Francesco.Recipes.World/Migrations/20250114131454_InitialMigration.cs b/Francesco.Recipes.World/Migrations/20250114131454_InitialMigration.cs
new file mode 100644
index 0000000..b90b0ed
--- /dev/null
+++ b/Francesco.Recipes.World/Migrations/20250114131454_InitialMigration.cs
@@ -0,0 +1,184 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Francesco.Recipes.World.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialMigration : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            if (migrationBuilder == null)
+            {
+                throw new ArgumentNullException(nameof(migrationBuilder));
+            }
+
+            migrationBuilder.CreateTable(
+                name: "Categories",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    Name = table.Column<string>(type: "nvarchar(max)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Categories", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Unit",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    Name = table.Column<string>(type: "nvarchar(max)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Unit", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Recipes",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    Name = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Description = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Difficulty = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Servings = table.Column<int>(type: "int", nullable: false),
+                    PreparationTime = table.Column<TimeSpan>(type: "time", nullable: false),
+                    CookingTime = table.Column<TimeSpan>(type: "time", nullable: false),
+                    CategoryId = table.Column<Guid>(type: "uniqueidentifier", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Recipes", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Recipes_Categories_CategoryId",
+                        column: x => x.CategoryId,
+                        principalTable: "Categories",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Ingredients",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    Name = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    UnitId = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    Quantity = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Ingredients", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Ingredients_Unit_UnitId",
+                        column: x => x.UnitId,
+                        principalTable: "Unit",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Instructions",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    Description = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Number = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    RecipeId = table.Column<Guid>(type: "uniqueidentifier", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Instructions", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Instructions_Recipes_RecipeId",
+                        column: x => x.RecipeId,
+                        principalTable: "Recipes",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "RecipeIngredients",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    RecipeId = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    IngredientId = table.Column<Guid>(type: "uniqueidentifier", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_RecipeIngredients", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_RecipeIngredients_Ingredients_IngredientId",
+                        column: x => x.IngredientId,
+                        principalTable: "Ingredients",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_RecipeIngredients_Recipes_RecipeId",
+                        column: x => x.RecipeId,
+                        principalTable: "Recipes",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Ingredients_UnitId",
+                table: "Ingredients",
+                column: "UnitId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Instructions_RecipeId",
+                table: "Instructions",
+                column: "RecipeId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RecipeIngredients_IngredientId",
+                table: "RecipeIngredients",
+                column: "IngredientId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RecipeIngredients_RecipeId",
+                table: "RecipeIngredients",
+                column: "RecipeId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Recipes_CategoryId",
+                table: "Recipes",
+                column: "CategoryId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            if (migrationBuilder == null)
+            {
+                throw new ArgumentNullException(nameof(migrationBuilder));
+            }
+
+            migrationBuilder.DropTable(
+                name: "Instructions");
+
+            migrationBuilder.DropTable(
+                name: "RecipeIngredients");
+
+            migrationBuilder.DropTable(
+                name: "Ingredients");
+
+            migrationBuilder.DropTable(
+                name: "Recipes");
+
+            migrationBuilder.DropTable(
+                name: "Unit");
+
+            migrationBuilder.DropTable(
+                name: "Categories");
+        }
+    }
+}
diff --git a/Francesco.Recipes.World/Migrations/FrancescosRecipesWorldDbContextModelSnapshot.cs b/Francesco.Recipes.World/Migrations/FrancescosRecipesWorldDbContextModelSnapshot.cs
index c8d7372..309c9b2 100644
--- a/Francesco.Recipes.World/Migrations/FrancescosRecipesWorldDbContextModelSnapshot.cs
+++ b/Francesco.Recipes.World/Migrations/FrancescosRecipesWorldDbContextModelSnapshot.cs
@@ -29,6 +29,7 @@ namespace Francesco.Recipes.World.Migrations
                         .HasColumnType("uniqueidentifier");
 
                     b.Property<string>("Name")
+                        .IsRequired()
                         .HasColumnType("nvarchar(max)");
 
                     b.HasKey("Id");
@@ -43,13 +44,19 @@ namespace Francesco.Recipes.World.Migrations
                         .HasColumnType("uniqueidentifier");
 
                     b.Property<string>("Name")
+                        .IsRequired()
                         .HasColumnType("nvarchar(max)");
 
-                    b.Property<string>("Unit")
-                        .HasColumnType("nvarchar(max)");
+                    b.Property<int>("Quantity")
+                        .HasColumnType("int");
+
+                    b.Property<Guid>("UnitId")
+                        .HasColumnType("uniqueidentifier");
 
                     b.HasKey("Id");
 
+                    b.HasIndex("UnitId");
+
                     b.ToTable("Ingredients");
                 });
 
@@ -59,15 +66,17 @@ namespace Francesco.Recipes.World.Migrations
                         .ValueGeneratedOnAdd()
                         .HasColumnType("uniqueidentifier");
 
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Number")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
                     b.Property<Guid>("RecipeId")
                         .HasColumnType("uniqueidentifier");
 
-                    b.Property<string>("StepDescription")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("StepNumber")
-                        .HasColumnType("nvarchar(max)");
-
                     b.HasKey("Id");
 
                     b.HasIndex("RecipeId");
@@ -88,12 +97,15 @@ namespace Francesco.Recipes.World.Migrations
                         .HasColumnType("time");
 
                     b.Property<string>("Description")
+                        .IsRequired()
                         .HasColumnType("nvarchar(max)");
 
                     b.Property<string>("Difficulty")
+                        .IsRequired()
                         .HasColumnType("nvarchar(max)");
 
                     b.Property<string>("Name")
+                        .IsRequired()
                         .HasColumnType("nvarchar(max)");
 
                     b.Property<TimeSpan>("PreparationTime")
@@ -130,206 +142,30 @@ namespace Francesco.Recipes.World.Migrations
                     b.ToTable("RecipeIngredients");
                 });
 
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Unit.Unit", b =>
                 {
-                    b.Property<string>("Id")
-                        .HasColumnType("nvarchar(450)");
-
-                    b.Property<string>("ConcurrencyStamp")
-                        .IsConcurrencyToken()
-                        .HasColumnType("nvarchar(max)");
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
 
                     b.Property<string>("Name")
-                        .HasMaxLength(256)
-                        .HasColumnType("nvarchar(256)");
-
-                    b.Property<string>("NormalizedName")
-                        .HasMaxLength(256)
-                        .HasColumnType("nvarchar(256)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("NormalizedName")
-                        .IsUnique()
-                        .HasDatabaseName("RoleNameIndex")
-                        .HasFilter("[NormalizedName] IS NOT NULL");
-
-                    b.ToTable("AspNetRoles", (string)null);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("int");
-
-                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
-
-                    b.Property<string>("ClaimType")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("ClaimValue")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("RoleId")
                         .IsRequired()
-                        .HasColumnType("nvarchar(450)");
+                        .HasColumnType("nvarchar(max)");
 
                     b.HasKey("Id");
 
-                    b.HasIndex("RoleId");
-
-                    b.ToTable("AspNetRoleClaims", (string)null);
+                    b.ToTable("Unit");
                 });
 
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUser", b =>
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Ingredient.Ingredient", b =>
                 {
-                    b.Property<string>("Id")
-                        .HasColumnType("nvarchar(450)");
+                    b.HasOne("Francesco.Recipes.World.Models.BackendModels.Unit.Unit", "Unit")
+                        .WithMany("Recipes")
+                        .HasForeignKey("UnitId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
 
-                    b.Property<int>("AccessFailedCount")
-                        .HasColumnType("int");
-
-                    b.Property<string>("ConcurrencyStamp")
-                        .IsConcurrencyToken()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("Email")
-                        .HasMaxLength(256)
-                        .HasColumnType("nvarchar(256)");
-
-                    b.Property<bool>("EmailConfirmed")
-                        .HasColumnType("bit");
-
-                    b.Property<bool>("LockoutEnabled")
-                        .HasColumnType("bit");
-
-                    b.Property<DateTimeOffset?>("LockoutEnd")
-                        .HasColumnType("datetimeoffset");
-
-                    b.Property<string>("NormalizedEmail")
-                        .HasMaxLength(256)
-                        .HasColumnType("nvarchar(256)");
-
-                    b.Property<string>("NormalizedUserName")
-                        .HasMaxLength(256)
-                        .HasColumnType("nvarchar(256)");
-
-                    b.Property<string>("PasswordHash")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("PhoneNumber")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<bool>("PhoneNumberConfirmed")
-                        .HasColumnType("bit");
-
-                    b.Property<string>("SecurityStamp")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<bool>("TwoFactorEnabled")
-                        .HasColumnType("bit");
-
-                    b.Property<string>("UserName")
-                        .HasMaxLength(256)
-                        .HasColumnType("nvarchar(256)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("NormalizedEmail")
-                        .HasDatabaseName("EmailIndex");
-
-                    b.HasIndex("NormalizedUserName")
-                        .IsUnique()
-                        .HasDatabaseName("UserNameIndex")
-                        .HasFilter("[NormalizedUserName] IS NOT NULL");
-
-                    b.ToTable("AspNetUsers", (string)null);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("int");
-
-                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
-
-                    b.Property<string>("ClaimType")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("ClaimValue")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("UserId")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(450)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("UserId");
-
-                    b.ToTable("AspNetUserClaims", (string)null);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
-                {
-                    b.Property<string>("LoginProvider")
-                        .HasMaxLength(128)
-                        .HasColumnType("nvarchar(128)");
-
-                    b.Property<string>("ProviderKey")
-                        .HasMaxLength(128)
-                        .HasColumnType("nvarchar(128)");
-
-                    b.Property<string>("ProviderDisplayName")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("UserId")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(450)");
-
-                    b.HasKey("LoginProvider", "ProviderKey");
-
-                    b.HasIndex("UserId");
-
-                    b.ToTable("AspNetUserLogins", (string)null);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
-                {
-                    b.Property<string>("UserId")
-                        .HasColumnType("nvarchar(450)");
-
-                    b.Property<string>("RoleId")
-                        .HasColumnType("nvarchar(450)");
-
-                    b.HasKey("UserId", "RoleId");
-
-                    b.HasIndex("RoleId");
-
-                    b.ToTable("AspNetUserRoles", (string)null);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
-                {
-                    b.Property<string>("UserId")
-                        .HasColumnType("nvarchar(450)");
-
-                    b.Property<string>("LoginProvider")
-                        .HasMaxLength(128)
-                        .HasColumnType("nvarchar(128)");
-
-                    b.Property<string>("Name")
-                        .HasMaxLength(128)
-                        .HasColumnType("nvarchar(128)");
-
-                    b.Property<string>("Value")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.HasKey("UserId", "LoginProvider", "Name");
-
-                    b.ToTable("AspNetUserTokens", (string)null);
+                    b.Navigation("Unit");
                 });
 
             modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Instruction.Instruction", b =>
@@ -369,57 +205,6 @@ namespace Francesco.Recipes.World.Migrations
                     b.Navigation("Recipe");
                 });
 
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
-                        .WithMany()
-                        .HasForeignKey("RoleId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
-                        .WithMany()
-                        .HasForeignKey("RoleId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
             modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Category.Category", b =>
                 {
                     b.Navigation("Recipes");
@@ -431,6 +216,11 @@ namespace Francesco.Recipes.World.Migrations
 
                     b.Navigation("RecipeIngredients");
                 });
+
+            modelBuilder.Entity("Francesco.Recipes.World.Models.BackendModels.Unit.Unit", b =>
+                {
+                    b.Navigation("Recipes");
+                });
 #pragma warning restore 612, 618
         }
     }
diff --git a/Francesco.Recipes.World/Models/BackendModels/Category/Category.cs b/Francesco.Recipes.World/Models/BackendModels/Category/Category.cs
index 64934a2..5fa42d4 100644
--- a/Francesco.Recipes.World/Models/BackendModels/Category/Category.cs
+++ b/Francesco.Recipes.World/Models/BackendModels/Category/Category.cs
@@ -4,7 +4,7 @@
     public class Category
     {
         public Guid Id { get; set; }
-        public string? Name { get; set; }
+        public string Name { get; set; }
         public virtual ICollection<Recipe> Recipes { get; set; } = new List<Recipe>();
     }
 }
diff --git a/Francesco.Recipes.World/Models/BackendModels/ITimeStampedEntity.cs b/Francesco.Recipes.World/Models/BackendModels/ITimeStampedEntity.cs
deleted file mode 100644
index baa9f35..0000000
--- a/Francesco.Recipes.World/Models/BackendModels/ITimeStampedEntity.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-namespace Francesco.Recipes.World.Models.BackendModels
-{
-    public interface ITimeStampedEntity
-    {
-        DateTime CreatedAt { get; set; }
-
-        DateTime? ModifiedAt { get; set; }
-    }
-}
diff --git a/Francesco.Recipes.World/Models/BackendModels/Ingredient/Ingredient.cs b/Francesco.Recipes.World/Models/BackendModels/Ingredient/Ingredient.cs
index 5a3dfc9..96f377f 100644
--- a/Francesco.Recipes.World/Models/BackendModels/Ingredient/Ingredient.cs
+++ b/Francesco.Recipes.World/Models/BackendModels/Ingredient/Ingredient.cs
@@ -1,9 +1,11 @@
 namespace Francesco.Recipes.World.Models.BackendModels.Ingredient
 {
+    using Francesco.Recipes.World.Models.BackendModels.Unit;
     public class Ingredient
     {
         public Guid Id { get; set; }
-        public string? Name { get; set; }
-        public string? Unit { get; set; }
+        public string Name { get; set; }
+        public virtual Unit Unit { get; set; } = new();
+        public int Quantity { get; set; }
     }
 }
diff --git a/Francesco.Recipes.World/Models/BackendModels/Instruction/Instruction.cs b/Francesco.Recipes.World/Models/BackendModels/Instruction/Instruction.cs
index 62ba576..36a2bd1 100644
--- a/Francesco.Recipes.World/Models/BackendModels/Instruction/Instruction.cs
+++ b/Francesco.Recipes.World/Models/BackendModels/Instruction/Instruction.cs
@@ -4,8 +4,8 @@
     public class Instruction
     {
         public Guid Id { get; set; }
-        public string? StepDescription { get; set; } 
-        public string? StepNumber { get; set; }
+        public string Description { get; set; }
+        public string Number { get; set; }
         public virtual Recipe Recipe { get; set; } = new();
     }
 }
diff --git a/Francesco.Recipes.World/Models/BackendModels/Rating/Rating.cs b/Francesco.Recipes.World/Models/BackendModels/Rating/Rating.cs
deleted file mode 100644
index 8d483be..0000000
--- a/Francesco.Recipes.World/Models/BackendModels/Rating/Rating.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-namespace Francesco.Recipes.World.Models.BackendModels.Rating
-{
-    public class Rating
-    {
-
-    }
-}
diff --git a/Francesco.Recipes.World/Models/BackendModels/Recipe/Recipe.cs b/Francesco.Recipes.World/Models/BackendModels/Recipe/Recipe.cs
index 3bd978c..1712072 100644
--- a/Francesco.Recipes.World/Models/BackendModels/Recipe/Recipe.cs
+++ b/Francesco.Recipes.World/Models/BackendModels/Recipe/Recipe.cs
@@ -6,14 +6,13 @@
     public class Recipe
     {
         public Guid Id { get; set; }
-        public string? Name { get; set; }
-        public string? Description { get; set; }
-        public string? Difficulty { get; set; }
+        public string Name { get; set; }
+        public string Description { get; set; }
+        public string Difficulty { get; set; }
         public int Servings { get; set; }
         public TimeSpan PreparationTime { get; set; }
         public TimeSpan CookingTime { get; set; }
         public virtual ICollection <RecipeIngredient> RecipeIngredients { get; set; } = new List<RecipeIngredient>();
         public virtual ICollection <Instruction> Instructions { get; set; } = new List<Instruction>();
-        
     }
 }
diff --git a/Francesco.Recipes.World/Models/BackendModels/Unit/Unit.cs b/Francesco.Recipes.World/Models/BackendModels/Unit/Unit.cs
new file mode 100644
index 0000000..19ba712
--- /dev/null
+++ b/Francesco.Recipes.World/Models/BackendModels/Unit/Unit.cs
@@ -0,0 +1,11 @@
+namespace Francesco.Recipes.World.Models.BackendModels.Unit
+{
+    using Francesco.Recipes.World.Models.BackendModels.Ingredient;
+
+    public class Unit
+    {
+        public Guid Id { get; set; }
+        public string Name { get; set; }
+        public virtual ICollection<Ingredient> Recipes { get; set; } = new List<Ingredient>();
+    }
+}
diff --git a/Francesco.Recipes.World/Program.cs b/Francesco.Recipes.World/Program.cs
index 885c57a..c36c4ac 100644
--- a/Francesco.Recipes.World/Program.cs
+++ b/Francesco.Recipes.World/Program.cs
@@ -1,4 +1,20 @@
-var builder = WebApplication.CreateBuilder(args);
+using Francesco.Recipes.World.Data;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.EntityFrameworkCore;
+using Serilog;
+
+
+var builder = WebApplication.CreateBuilder(args);
+var services = builder.Services;
+var configuration = builder.Configuration;
+
+var connectionString = builder.Configuration.GetConnectionString("FrancescosRecipesWorldDbContextConnection")
+                       ?? throw new InvalidOperationException("Connection string 'FrancescosRecipesWorldDbContextConnection' not found.");
+services.AddDbContext<FrancescosRecipesWorldDbContext>(options =>
+    options.UseSqlServer(connectionString));
+
+services.AddDefaultIdentity<IdentityUser>(options => options.SignIn.RequireConfirmedAccount = true)
+    .AddEntityFrameworkStores<FrancescosRecipesWorldDbContext>();
 
 // Add services to the container.
 builder.Services.AddControllersWithViews();
@@ -18,9 +34,12 @@ app.UseHttpsRedirection();
 app.UseStaticFiles();
 
 app.UseRouting();
+app.UseAuthentication();
 
 app.UseAuthorization();
 
+app.MapDefaultControllerRoute();
+
 app.MapControllerRoute(
     name: "default",
     pattern: "{controller=Home}/{action=Index}/{id?}");
diff --git a/Francesco.Recipes.World/appsettings.json b/Francesco.Recipes.World/appsettings.json
index 10f68b8..112aea4 100644
--- a/Francesco.Recipes.World/appsettings.json
+++ b/Francesco.Recipes.World/appsettings.json
@@ -5,5 +5,24 @@
       "Microsoft.AspNetCore": "Warning"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "ConnectionStrings": {
+    "FrancescosRecipesWorldDbContextConnection": "Server=localhost\\SQLEXPRESS;Database=Francesco.Recipes.World; Trusted_Connection=True; MultipleActiveResultSets=true;TrustServerCertificate=True "
+  },
+  "Serilog": {
+    "MinimumLevel": {
+      "Default": "Debug",
+      "Override": {
+        "System": "Information",
+        "Microsoft": "Information"
+      }
+    },
+   
+    "Enrich": [
+      "FromLogContext",
+      "WithMachineName",
+      "WithThreadId"
+    ]
+  }
+
 }