Create-MigrationScript.ps1

@@ -0,0 +1 @@
+dotnet ef migrations script --idempotent --project .\src\WebApi\WebApi.csproj -o migrations/migration.sql

migrations/migration.sql

@@ -0,0 +1,48 @@
+CREATE TABLE IF NOT EXISTS "__EFMigrationsHistory" (
+    "MigrationId" character varying(150) NOT NULL,
+    "ProductVersion" character varying(32) NOT NULL,
+    CONSTRAINT "PK___EFMigrationsHistory" PRIMARY KEY ("MigrationId")
+);
+
+START TRANSACTION;
+
+
+DO $EF$
+BEGIN
+    IF NOT EXISTS(SELECT 1 FROM "__EFMigrationsHistory" WHERE "MigrationId" = '20240803173803_AddCarsAndUsers') THEN
+    CREATE TABLE "Users" (
+        "Id" text NOT NULL,
+        CONSTRAINT "PK_Users" PRIMARY KEY ("Id")
+    );
+    END IF;
+END $EF$;
+
+DO $EF$
+BEGIN
+    IF NOT EXISTS(SELECT 1 FROM "__EFMigrationsHistory" WHERE "MigrationId" = '20240803173803_AddCarsAndUsers') THEN
+    CREATE TABLE "Cars" (
+        "Id" uuid NOT NULL,
+        "Name" character varying(50) NOT NULL,
+        "UserId" text NOT NULL,
+        CONSTRAINT "PK_Cars" PRIMARY KEY ("Id"),
+        CONSTRAINT "FK_Cars_Users_UserId" FOREIGN KEY ("UserId") REFERENCES "Users" ("Id") ON DELETE CASCADE
+    );
+    END IF;
+END $EF$;
+
+DO $EF$
+BEGIN
+    IF NOT EXISTS(SELECT 1 FROM "__EFMigrationsHistory" WHERE "MigrationId" = '20240803173803_AddCarsAndUsers') THEN
+    CREATE INDEX "IX_Cars_UserId" ON "Cars" ("UserId");
+    END IF;
+END $EF$;
+
+DO $EF$
+BEGIN
+    IF NOT EXISTS(SELECT 1 FROM "__EFMigrationsHistory" WHERE "MigrationId" = '20240803173803_AddCarsAndUsers') THEN
+    INSERT INTO "__EFMigrationsHistory" ("MigrationId", "ProductVersion")
+    VALUES ('20240803173803_AddCarsAndUsers', '8.0.7');
+    END IF;
+END $EF$;
+COMMIT;
+

src/WebApi/Authentication/UserAccessor.cs

@@ -0,0 +1,78 @@
+using Microsoft.Extensions.Options;
+using System.Diagnostics.CodeAnalysis;
+using System.Security.Claims;
+
+namespace Vegasco.WebApi.Authentication;
+
+public sealed class UserAccessor
+{
+	private readonly IHttpContextAccessor _httpContextAccessor;
+	private readonly IOptions<JwtOptions> _jwtOptions;
+
+	/// <summary>
+	/// Stores the username upon first retrieval
+	/// </summary>
+	private string? _cachedUsername;
+
+	/// <summary>
+	/// Stores the id upon first retrieval
+	/// </summary>
+	private string? _cachedId;
+
+	public UserAccessor(IHttpContextAccessor httpContextAccessor, IOptions<JwtOptions> jwtOptions)
+	{
+		_httpContextAccessor = httpContextAccessor;
+		_jwtOptions = jwtOptions;
+	}
+
+	public string GetUsername()
+	{
+		if (string.IsNullOrEmpty(_cachedUsername))
+		{
+			_cachedUsername = GetClaimValue(_jwtOptions.Value.NameClaimType ?? ClaimTypes.Name);
+		}
+
+		return _cachedUsername;
+	}
+
+	public string GetUserId()
+	{
+		if (string.IsNullOrEmpty(_cachedId))
+		{
+			_cachedId = GetClaimValue(ClaimTypes.NameIdentifier);
+		}
+
+		return _cachedId;
+	}
+
+	private string GetClaimValue(string claimType)
+	{
+		var httpContext = _httpContextAccessor.HttpContext;
+
+		if (httpContext is null)
+		{
+			ThrowForMissingHttpContext();
+		}
+
+		var claimValue = httpContext.User.FindFirstValue(claimType);
+
+		if (string.IsNullOrWhiteSpace(claimValue))
+		{
+			ThrowForMissingClaim(claimType);
+		}
+
+		return claimValue;
+	}
+
+	[DoesNotReturn]
+	private static void ThrowForMissingHttpContext()
+	{
+		throw new InvalidOperationException("No HttpContext available.");
+	}
+
+	[DoesNotReturn]
+	private static void ThrowForMissingClaim(string claimType)
+	{
+		throw new InvalidOperationException($"No claim of type '{claimType}' found on the current user.");
+	}
+}

src/WebApi/Cars/Car.cs

@@ -1,4 +1,8 @@
-namespace Vegasco.WebApi.Cars;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using Vegasco.WebApi.Users;
+
+namespace Vegasco.WebApi.Cars;
 
 public class Car
 {
@@ -6,5 +10,27 @@ public class Car
 
 	public string Name { get; set; } = "";
 
-	public Guid UserId { get; set; }
+	public string UserId { get; set; } = "";
+
+	public virtual User User { get; set; } = null!;
+}
+
+public class CarTableConfiguration : IEntityTypeConfiguration<Car>
+{
+	public const int NameMaxLength = 50;
+
+	public void Configure(EntityTypeBuilder<Car> builder)
+	{
+		builder.HasKey(x => x.Id);
+
+		builder.Property(x => x.Name)
+			.IsRequired()
+			.HasMaxLength(NameMaxLength);
+
+		builder.Property(x => x.UserId)
+			.IsRequired();
+
+		builder.HasOne(x => x.User)
+			.WithMany(x => x.Cars);
+	}
 }

src/WebApi/Cars/CreateCar.cs

@@ -1,6 +1,9 @@
 using FluentValidation;
 using FluentValidation.Results;
+using Vegasco.WebApi.Authentication;
 using Vegasco.WebApi.Common;
+using Vegasco.WebApi.Persistence;
+using Vegasco.WebApi.Users;
 
 namespace Vegasco.WebApi.Cars;
 
@@ -12,7 +15,7 @@ public static class CreateCar
 	public static RouteHandlerBuilder MapEndpoint(IEndpointRouteBuilder builder)
 	{
 		return builder
-			.MapPost("cars", Handler)
+			.MapPost("cars", Endpoint)
 			.WithTags("Cars");
 	}
 
@@ -21,18 +24,46 @@ public static class CreateCar
 		public Validator()
 		{
 			RuleFor(x => x.Name)
-				.NotEmpty();
+				.NotEmpty()
+				.MaximumLength(CarTableConfiguration.NameMaxLength);
 		}
 	}
 
-	public static async Task<IResult> Handler(Request request, IEnumerable<IValidator<Request>> validators)
+	public static async Task<IResult> Endpoint(
+		Request request,
+		IEnumerable<IValidator<Request>> validators,
+		ApplicationDbContext dbContext,
+		UserAccessor userAccessor,
+		CancellationToken cancellationToken)
 	{
-		List<ValidationResult> failedValidations = await validators.ValidateAllAsync(request);
+		List<ValidationResult> failedValidations = await validators.ValidateAllAsync(request, cancellationToken: cancellationToken);
 		if (failedValidations.Count > 0)
 		{
-			return Results.BadRequest(new HttpValidationProblemDetails(failedValidations.ToCombinedDictionary()));
+			return TypedResults.BadRequest(new HttpValidationProblemDetails(failedValidations.ToCombinedDictionary()));
 		}
 
-		return Results.Ok();
+		var userId = userAccessor.GetUserId();
+
+		var user = await dbContext.Users.FindAsync([userId], cancellationToken: cancellationToken);
+		if (user is null)
+		{
+			user = new User
+			{
+				Id = userId
+			};
+			await dbContext.Users.AddAsync(user, cancellationToken);
+		}
+
+		Car car = new()
+		{
+			Name = request.Name,
+			UserId = userId
+		};
+
+		await dbContext.Cars.AddAsync(car, cancellationToken);
+		await dbContext.SaveChangesAsync(cancellationToken);
+
+		Response response = new(car.Id, car.Name);
+		return TypedResults.Created($"/v1/cars/{car.Id}", response);
 	}
 }

src/WebApi/Cars/DeleteCar.cs

@@ -0,0 +1,31 @@
+using Vegasco.WebApi.Persistence;
+
+namespace Vegasco.WebApi.Cars;
+
+public static class DeleteCar
+{
+	public static RouteHandlerBuilder MapEndpoint(IEndpointRouteBuilder builder)
+	{
+		return builder
+			.MapDelete("cars/{id:guid}", Endpoint)
+			.WithTags("Cars");
+	}
+
+	public static async Task<IResult> Endpoint(
+		Guid id,
+		ApplicationDbContext dbContext,
+		CancellationToken cancellationToken)
+	{
+		var car = await dbContext.Cars.FindAsync([id], cancellationToken: cancellationToken);
+
+		if (car is null)
+		{
+			return TypedResults.NotFound();
+		}
+
+		dbContext.Cars.Remove(car);
+		await dbContext.SaveChangesAsync(cancellationToken);
+
+		return TypedResults.NoContent();
+	}
+}

src/WebApi/Cars/GetCar.cs

@@ -0,0 +1,31 @@
+using Vegasco.WebApi.Persistence;
+
+namespace Vegasco.WebApi.Cars;
+
+public static class GetCar
+{
+	public record Response(Guid Id, string Name);
+
+	public static RouteHandlerBuilder MapEndpoint(IEndpointRouteBuilder builder)
+	{
+		return builder
+			.MapGet("cars/{id:guid}", Endpoint)
+			.WithTags("Cars");
+	}
+
+	public static async Task<IResult> Endpoint(
+		Guid id,
+		ApplicationDbContext dbContext,
+		CancellationToken cancellationToken)
+	{
+		var car = await dbContext.Cars.FindAsync([id], cancellationToken: cancellationToken);
+
+		if (car is null)
+		{
+			return TypedResults.NotFound();
+		}
+
+		var response = new Response(car.Id, car.Name);
+		return TypedResults.Ok(response);
+	}
+}

src/WebApi/Cars/GetCars.cs

@@ -0,0 +1,27 @@
+using Microsoft.EntityFrameworkCore;
+using Vegasco.WebApi.Persistence;
+
+namespace Vegasco.WebApi.Cars;
+
+public static class GetCars
+{
+	public record Response(Guid Id, string Name);
+
+	public static RouteHandlerBuilder MapEndpoint(IEndpointRouteBuilder builder)
+	{
+		return builder
+			.MapGet("cars", Endpoint)
+			.WithTags("Cars");
+	}
+
+	public static async Task<IResult> Endpoint(
+		ApplicationDbContext dbContext,
+		CancellationToken cancellationToken)
+	{
+		var cars = await dbContext.Cars
+			.Select(x => new Response(x.Id, x.Name))
+			.ToListAsync(cancellationToken);
+
+		return TypedResults.Ok(cars);
+	}
+}

src/WebApi/Cars/UpdateCar.cs

@@ -0,0 +1,58 @@
+using FluentValidation;
+using FluentValidation.Results;
+using Vegasco.WebApi.Authentication;
+using Vegasco.WebApi.Common;
+using Vegasco.WebApi.Persistence;
+
+namespace Vegasco.WebApi.Cars;
+
+public static class UpdateCar
+{
+	public record Request(string Name);
+	public record Response(Guid Id, string Name);
+
+	public static RouteHandlerBuilder MapEndpoint(IEndpointRouteBuilder builder)
+	{
+		return builder
+			.MapPut("cars/{id:guid}", Endpoint)
+			.WithTags("Cars");
+	}
+
+	public class Validator : AbstractValidator<Request>
+	{
+		public Validator()
+		{
+			RuleFor(x => x.Name)
+				.NotEmpty()
+				.MaximumLength(CarTableConfiguration.NameMaxLength);
+		}
+	}
+
+	public static async Task<IResult> Endpoint(
+		Guid id,
+		Request request,
+		IEnumerable<IValidator<Request>> validators,
+		ApplicationDbContext dbContext,
+		UserAccessor userAccessor,
+		CancellationToken cancellationToken)
+	{
+		List<ValidationResult> failedValidations = await validators.ValidateAllAsync(request, cancellationToken);
+		if (failedValidations.Count > 0)
+		{
+			return TypedResults.BadRequest(new HttpValidationProblemDetails(failedValidations.ToCombinedDictionary()));
+		}
+
+		var car = await dbContext.Cars.FindAsync([id], cancellationToken: cancellationToken);
+
+		if (car is null)
+		{
+			return TypedResults.NotFound();
+		}
+
+		car.Name = request.Name;
+		await dbContext.SaveChangesAsync(cancellationToken);
+
+		Response response = new(car.Id, car.Name);
+		return TypedResults.Ok(response);
+	}
+}

src/WebApi/Common/DependencyInjectionExtensions.cs

@@ -1,12 +1,14 @@
 using Asp.Versioning;
 using FluentValidation;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Options;
 using OpenTelemetry.Trace;
 using System.Diagnostics;
 using Vegasco.WebApi.Authentication;
 using Vegasco.WebApi.Endpoints;
 using Vegasco.WebApi.Endpoints.OpenApi;
+using Vegasco.WebApi.Persistence;
 
 namespace Vegasco.WebApi.Common;
 
@@ -16,14 +18,15 @@ public static class DependencyInjectionExtensions
 	///     Adds all the WebApi related services to the Dependency Injection container.
 	/// </summary>
 	/// <param name="services"></param>
-	public static void AddWebApiServices(this IServiceCollection services)
+	public static void AddWebApiServices(this IServiceCollection services, IConfiguration configuration)
 	{
 		services
 			.AddMiscellaneousServices()
 			.AddOpenApi()
 			.AddApiVersioning()
 			.AddOtel()
-			.AddAuthenticationAndAuthorization();
+			.AddAuthenticationAndAuthorization()
+			.AddDbContext(configuration);
 	}
 
 	private static IServiceCollection AddMiscellaneousServices(this IServiceCollection services)
@@ -38,6 +41,8 @@ public static class DependencyInjectionExtensions
 		services.AddHealthChecks();
 		services.AddEndpointsFromAssemblyContaining<IWebApiMarker>();
 
+		services.AddHttpContextAccessor();
+
 		return services;
 	}
 
@@ -46,7 +51,27 @@ public static class DependencyInjectionExtensions
 		services.ConfigureOptions<ConfigureSwaggerGenOptions>();
 
 		services.AddEndpointsApiExplorer();
-		services.AddSwaggerGen();
+		services.AddSwaggerGen(o =>
+		{
+			o.CustomSchemaIds(type =>
+			{
+				if (string.IsNullOrEmpty(type.FullName))
+				{
+					return type.Name;
+				}
+
+				var fullClassName = type.FullName;
+
+				if (!string.IsNullOrEmpty(type.Namespace))
+				{
+					fullClassName = fullClassName
+						.Replace(type.Namespace, "")
+						.TrimStart('.');
+				}
+
+				return fullClassName;
+			});
+		});
 
 		return services;
 	}
@@ -119,6 +144,21 @@ public static class DependencyInjectionExtensions
 				.RequireAuthenticatedUser()
 				.AddAuthenticationSchemes(JwtBearerDefaults.AuthenticationScheme));
 
+		services.AddScoped<UserAccessor>();
+
+		return services;
+	}
+
+	private static IServiceCollection AddDbContext(this IServiceCollection services, IConfiguration configuration)
+	{
+		services.AddDbContext<ApplicationDbContext>(o =>
+		{
+			o.UseNpgsql(configuration.GetConnectionString("Database"), c =>
+			{
+				c.EnableRetryOnFailure();
+			});
+		});
+
 		return services;
 	}
 }

src/WebApi/Common/FluentValidationOptions.cs

@@ -0,0 +1,36 @@
+using FluentValidation;
+using Microsoft.Extensions.Options;
+
+namespace Vegasco.WebApi.Common;
+
+public class FluentValidationOptions<TOptions> : IValidateOptions<TOptions>
+	where TOptions : class
+{
+	private readonly IEnumerable<IValidator<TOptions>> _validators;
+
+	public string? Name { get; set; }
+
+	public FluentValidationOptions(string? name, IEnumerable<IValidator<TOptions>> validators)
+	{
+		Name = name;
+		_validators = validators;
+	}
+
+	public ValidateOptionsResult Validate(string? name, TOptions options)
+	{
+		if (name is not null && name != Name)
+		{
+			return ValidateOptionsResult.Skip;
+		}
+
+		ArgumentNullException.ThrowIfNull(options);
+
+		var failedValidations = _validators.ValidateAllAsync(options).Result;
+		if (failedValidations.Count == 0)
+		{
+			return ValidateOptionsResult.Success;
+		}
+
+		return ValidateOptionsResult.Fail(failedValidations.SelectMany(x => x.Errors.Select(x => x.ErrorMessage)));
+	}
+}

src/WebApi/Common/StartupExtensions.cs

@@ -11,7 +11,7 @@ internal static class StartupExtensions
 	{
 		builder.Configuration.AddEnvironmentVariables("Vegasco_");
 
-		builder.Services.AddWebApiServices();
+		builder.Services.AddWebApiServices(builder.Configuration);
 
 		WebApplication app = builder.Build();
 		return app;

src/WebApi/Common/ValidatorExtensions.cs

@@ -13,10 +13,10 @@ public static class ValidatorExtensions
 	/// <param name="validators"></param>
 	/// <param name="instance"></param>
 	/// <returns>The failed validation results.</returns>
-	public static async Task<List<ValidationResult>> ValidateAllAsync<T>(this IEnumerable<IValidator<T>> validators, T instance)
+	public static async Task<List<ValidationResult>> ValidateAllAsync<T>(this IEnumerable<IValidator<T>> validators, T instance, CancellationToken cancellationToken = default)
 	{
 		var validationTasks = validators
-			.Select(validator => validator.ValidateAsync(instance))
+			.Select(validator => validator.ValidateAsync(instance, cancellationToken))
 			.ToList();
 
 		await Task.WhenAll(validationTasks);
@@ -60,35 +60,3 @@ public static class ValidatorExtensions
 		return builder;
 	}
 }
-
-internal class FluentValidationOptions<TOptions> : IValidateOptions<TOptions>
-	where TOptions : class
-{
-	private readonly IEnumerable<IValidator<TOptions>> _validators;
-
-	public string? Name { get; set; }
-
-	public FluentValidationOptions(string? name, IEnumerable<IValidator<TOptions>> validators)
-	{
-		Name = name;
-		_validators = validators;
-	}
-
-	public ValidateOptionsResult Validate(string? name, TOptions options)
-	{
-		if (name is not null && name != Name)
-		{
-			return ValidateOptionsResult.Skip;
-		}
-
-		ArgumentNullException.ThrowIfNull(options);
-
-		var failedValidations = _validators.ValidateAllAsync(options).Result;
-		if (failedValidations.Count == 0)
-		{
-			return ValidateOptionsResult.Success;
-		}
-
-		return ValidateOptionsResult.Fail(failedValidations.SelectMany(x => x.Errors.Select(x => x.ErrorMessage)));
-	}
-}

src/WebApi/Endpoints/EndpointExtensions.cs

@@ -34,6 +34,10 @@ public static class EndpointExtensions
 			.WithApiVersionSet(apiVersionSet)
 			.RequireAuthorization(Constants.Authorization.RequireAuthenticatedUserPolicy);
 
+		GetCar.MapEndpoint(versionedApis);
+		GetCars.MapEndpoint(versionedApis);
 		CreateCar.MapEndpoint(versionedApis);
+		UpdateCar.MapEndpoint(versionedApis);
+		DeleteCar.MapEndpoint(versionedApis);
 	}
 }

src/WebApi/Persistence/ApplicationDbContext.cs

@@ -0,0 +1,19 @@
+using Microsoft.EntityFrameworkCore;
+using Vegasco.WebApi.Cars;
+using Vegasco.WebApi.Common;
+using Vegasco.WebApi.Users;
+
+namespace Vegasco.WebApi.Persistence;
+
+public class ApplicationDbContext(DbContextOptions<ApplicationDbContext> options) : DbContext(options)
+{
+	public DbSet<Car> Cars { get; set; }
+
+	public DbSet<User> Users { get; set; }
+
+	protected override void OnModelCreating(ModelBuilder modelBuilder)
+	{
+		base.OnModelCreating(modelBuilder);
+		modelBuilder.ApplyConfigurationsFromAssembly(typeof(IWebApiMarker).Assembly);
+	}
+}

src/WebApi/Persistence/Migrations/20240803173803_AddCarsAndUsers.Designer.cs

@@ -0,0 +1,78 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using Vegasco.WebApi.Persistence;
+
+#nullable disable
+
+namespace Vegasco.WebApi.Persistence.Migrations
+{
+    [DbContext(typeof(ApplicationDbContext))]
+    [Migration("20240803173803_AddCarsAndUsers")]
+    partial class AddCarsAndUsers
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.7")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Vegasco.WebApi.Cars.Car", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Cars");
+                });
+
+            modelBuilder.Entity("Vegasco.WebApi.Users.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("Vegasco.WebApi.Cars.Car", b =>
+                {
+                    b.HasOne("Vegasco.WebApi.Users.User", "User")
+                        .WithMany("Cars")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("Vegasco.WebApi.Users.User", b =>
+                {
+                    b.Navigation("Cars");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

src/WebApi/Persistence/Migrations/20240803173803_AddCarsAndUsers.cs

@@ -0,0 +1,60 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Vegasco.WebApi.Persistence.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddCarsAndUsers : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Users",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Users", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Cars",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    Name = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false),
+                    UserId = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Cars", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Cars_Users_UserId",
+                        column: x => x.UserId,
+                        principalTable: "Users",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Cars_UserId",
+                table: "Cars",
+                column: "UserId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Cars");
+
+            migrationBuilder.DropTable(
+                name: "Users");
+        }
+    }
+}

src/WebApi/Persistence/Migrations/ApplicationDbContextModelSnapshot.cs

@@ -0,0 +1,75 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using Vegasco.WebApi.Persistence;
+
+#nullable disable
+
+namespace Vegasco.WebApi.Persistence.Migrations
+{
+    [DbContext(typeof(ApplicationDbContext))]
+    partial class ApplicationDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.7")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Vegasco.WebApi.Cars.Car", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Cars");
+                });
+
+            modelBuilder.Entity("Vegasco.WebApi.Users.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("Vegasco.WebApi.Cars.Car", b =>
+                {
+                    b.HasOne("Vegasco.WebApi.Users.User", "User")
+                        .WithMany("Cars")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("Vegasco.WebApi.Users.User", b =>
+                {
+                    b.Navigation("Cars");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

src/WebApi/Users/User.cs

@@ -0,0 +1,10 @@
+using Vegasco.WebApi.Cars;
+
+namespace Vegasco.WebApi.Users;
+
+public class User
+{
+	public string Id { get; set; } = "";
+
+	public virtual IList<Car> Cars { get; set; } = [];
+}

src/WebApi/Users/UserTableConfiguration.cs

@@ -0,0 +1,12 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace Vegasco.WebApi.Users;
+
+public class UserTableConfiguration : IEntityTypeConfiguration<User>
+{
+	public void Configure(EntityTypeBuilder<User> builder)
+	{
+		builder.HasKey(user => user.Id);
+	}
+}

src/WebApi/WebApi.csproj

@@ -16,7 +16,13 @@
 	<PackageReference Include="FluentValidation.DependencyInjectionExtensions" Version="11.9.2" />
 	<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.7" />
 	<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.7" />
+	<PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.7" />
+	<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.7">
+	  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+	  <PrivateAssets>all</PrivateAssets>
+	</PackageReference>
 	<PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.21.0" />
+	<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.4" />
 	<PackageReference Include="OpenTelemetry" Version="1.9.0" />
 	<PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.9.0" />
 	<PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.9.0" />

src/WebApi/appsettings.Development.json

@@ -1,4 +1,7 @@
 {
+  "ConnectionStrings": {
+    "Database": "Host=localhost;Port=5432;Database=postgres;Username=postgres;Password=postgres"
+  },
   "Logging": {
     "LogLevel": {
       "Default": "Information",