create aspnet api with postgresql

This version added a compose application using:
* ASP.Net API Core
* EntityFramework Core
* Postgresql

Signed-off-by: Eduardo Silva <eduardo.lour.silva@gmail.com>

aspnet-api-postgresql/api/Infrastructure/ApplicationDbContext.cs

@@ -0,0 +1,11 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace aspnet_api_postgresql.Infrastructure.Database;
+public class ApplicationDbContext : DbContext
+{
+    public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options)
+        : base(options)
+    {
+    }
+
+}

aspnet-api-postgresql/api/Infrastructure/Database/Migrations/20220411183355_InititalCreation.Designer.cs

@@ -0,0 +1,28 @@
+// <auto-generated />
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using aspnet_api_postgresql.Infrastructure.Database;
+
+#nullable disable
+
+namespace aspnet_api_postgresql.Infrastructure.Database.Migrations
+{
+    [DbContext(typeof(ApplicationDbContext))]
+    [Migration("20220411183355_InititalCreation")]
+    partial class InititalCreation
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+#pragma warning restore 612, 618
+        }
+    }
+}

aspnet-api-postgresql/api/Infrastructure/Database/Migrations/20220411183355_InititalCreation.cs

@@ -0,0 +1,19 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace aspnet_api_postgresql.Infrastructure.Database.Migrations
+{
+    public partial class InititalCreation : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}

aspnet-api-postgresql/api/Infrastructure/Database/Migrations/ApplicationDbContextModelSnapshot.cs

@@ -0,0 +1,26 @@
+// <auto-generated />
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using aspnet_api_postgresql.Infrastructure.Database;
+
+#nullable disable
+
+namespace aspnet_api_postgresql.Infrastructure.Database.Migrations
+{
+    [DbContext(typeof(ApplicationDbContext))]
+    partial class ApplicationDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+#pragma warning restore 612, 618
+        }
+    }
+}