T2(customer): add EF Core persistence with ORM config and initial migration

src/Services/Customer/Customer.API/Program.cs

@@ -13,6 +13,12 @@
 
 var app = builder.Build();
 
+using (var scope = app.Services.CreateScope())
+{
+    var db = scope.ServiceProvider.GetRequiredService<CustomerDbContext>();
+    db.Database.EnsureCreated();
+}
+
 if (app.Environment.IsDevelopment())
 {
     app.UseSwagger();

src/Services/Customer/Customer.Infrastructure/Data/CustomerDbContext.cs

@@ -1,4 +1,5 @@
 using Microsoft.EntityFrameworkCore;
+using Entities = Customer.Domain.Entities;
 
 namespace Customer.Infrastructure.Data;
 
@@ -8,9 +9,23 @@ public CustomerDbContext(DbContextOptions<CustomerDbContext> options) : base(opt
     {
     }
 
+    public DbSet<Entities.Customer> Customers => Set<Entities.Customer>();
+
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
         base.OnModelCreating(modelBuilder);
-        // TODO: Configure entity mappings migrated from monolith
+
+        // NOTE: Use `Entities.Customer` to disambiguate from the root `Customer` namespace
+        modelBuilder.Entity<Entities.Customer>(entity =>
+        {
+            entity.ToTable("AppCustomers");
+            entity.Property(c => c.Name).IsRequired().HasMaxLength(100);
+            entity.HasIndex(c => c.Name);
+            entity.Property(c => c.Email).HasMaxLength(100);
+            entity.Property(c => c.PhoneNumber).IsUnicode(false).HasMaxLength(30);
+            entity.Property(c => c.City).HasMaxLength(50);
+            entity.Property(c => c.CreatedBy).HasMaxLength(40);
+            entity.Property(c => c.UpdatedBy).HasMaxLength(40);
+        });
     }
 }

src/Services/Customer/Customer.Infrastructure/Data/Migrations/20260626044302_InitialCreate.cs

@@ -0,0 +1,50 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Customer.Infrastructure.Data.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "AppCustomers",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false),
+                    Email = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false),
+                    PhoneNumber = table.Column<string>(type: "character varying(30)", unicode: false, maxLength: 30, nullable: true),
+                    Address = table.Column<string>(type: "text", nullable: true),
+                    City = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: true),
+                    Gender = table.Column<int>(type: "integer", nullable: false),
+                    CreatedBy = table.Column<string>(type: "character varying(40)", maxLength: 40, nullable: true),
+                    UpdatedBy = table.Column<string>(type: "character varying(40)", maxLength: 40, nullable: true),
+                    CreatedDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    UpdatedDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AppCustomers", x => x.Id);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AppCustomers_Name",
+                table: "AppCustomers",
+                column: "Name");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "AppCustomers");
+        }
+    }
+}

src/Services/Customer/Customer.Infrastructure/Data/Migrations/CustomerDbContextModelSnapshot.cs

@@ -0,0 +1,81 @@
+// <auto-generated />
+using System;
+using Customer.Infrastructure.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Customer.Infrastructure.Data.Migrations
+{
+    [DbContext(typeof(CustomerDbContext))]
+    partial class CustomerDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.9")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Customer.Domain.Entities.Customer", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)");
+
+                    b.Property<string>("CreatedBy")
+                        .HasMaxLength(40)
+                        .HasColumnType("character varying(40)");
+
+                    b.Property<DateTime>("CreatedDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)");
+
+                    b.Property<int>("Gender")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasMaxLength(30)
+                        .IsUnicode(false)
+                        .HasColumnType("character varying(30)");
+
+                    b.Property<string>("UpdatedBy")
+                        .HasMaxLength(40)
+                        .HasColumnType("character varying(40)");
+
+                    b.Property<DateTime>("UpdatedDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Name");
+
+                    b.ToTable("AppCustomers", (string)null);
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}