first commit

MyNewProjectName.Infrastructure/Persistence/Configurations/SampleEntityConfiguration.cs

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+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using MyNewProjectName.Domain.Entities;
+
+namespace MyNewProjectName.Infrastructure.Persistence.Configurations;
+
+/// <summary>
+/// Entity configuration for SampleEntity
+/// </summary>
+public class SampleEntityConfiguration : IEntityTypeConfiguration<SampleEntity>
+{
+    public void Configure(EntityTypeBuilder<SampleEntity> builder)
+    {
+        builder.ToTable("Samples");
+
+        builder.HasKey(e => e.Id);
+
+        builder.Property(e => e.Name)
+            .IsRequired()
+            .HasMaxLength(200);
+
+        builder.Property(e => e.Description)
+            .HasMaxLength(1000);
+
+        builder.Property(e => e.CreatedBy)
+            .HasMaxLength(100);
+
+        builder.Property(e => e.UpdatedBy)
+            .HasMaxLength(100);
+
+        // Index for common queries
+        builder.HasIndex(e => e.Name);
+        builder.HasIndex(e => e.IsActive);
+    }
+}