DbContext.cs

using Microsoft.EntityFrameworkCore;
namespace Demo {
	public class MyDbContext : DbContext 
  {
		public MyDbContext(DbContextOptions<MyDbContext> options) : base(options) {}
    
            protected override void OnModelCreating(ModelBuilder modelBuilder){
            modelBuilder.ApplyConfiguration(new UserConfiguration());
            //In here, you will have to do loop again for every new entity configuration, it will make you feel lazy if you are :D
            }     
	}
}