traditional potato salad recipe

Ingredients: 2 pounds Yukon Gold or Russet potatoes, peeled and diced 1 cup mayonnaise 1 tablespoon Dijon mustard 1 tablespoon apple cider vinegar 2 teaspoons granulated sugar 1/2 teaspoon salt 1/4 teaspoon freshly ground black pepper 1/2 cup celery, finely chopped 1/4 cup red onion, finely chopped 3 hard-boiled eggs, chopped