[EntityFramework Core] Populate complex object from query with join

    [Table("ProductionOrder", Schema = "public")]
    public class ProductionOrder
    {
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public int Id { get; set; }
        public string Code { get; set; }
        
        [ForeignKey("ProductId")]
        public Product Product { get; set; }
        public int ProductId { get; set; }

        [ForeignKey("CustomerId")]
        public Customer Customer { get; set; }
        public int CustomerId { get; set; }
    }

    [Table("Product", Schema = "public")]
    public class Product
    {
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public int Id { get; set; }
        public string Name { get; set; }
    }

    [Table("Customer", Schema = "public")]
    public class Customer
    {
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public int Id { get; set; }
        public string Name { get; set; }
    }

    public async Task<List<ProductionOrder>> GetProductionOrdersAsync() {
        return await _dbContext.ProductionOrder.ToListAsync();
    }