in sample-applications/frontend-mvc/ContainerMVC/DataAccess/BooksContext.cs [40:54]
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity<Book>(b =>
{
b.HasKey(k => k.Id);
b.ToTable("Books");
});
modelBuilder.Entity<Book>(b =>
{
modelBuilder.Entity<Book>().Property<int>(nameof(Book.Id))
.UseIdentityColumn();
});
}