Pulled Pork with Homemade BBQ Sauce

Ingredients

• 1 bone-in pork shoulder, roughly 5-6 pounds
• 1/4 cup brown sugar
• 1/4 cup paprika
• 3 tablespoons ground black pepper
• 3 tablespoons kosher salt
• 1 tablespoon garlic powder
• 1 tablespoon onion powder
• 1 tablespoon celery seeds
• 1 teaspoon cayenne pepper
• 1 teaspoon ground ginger
• 1 1/2 cups cider vinegar
• 1 small onion minced
• 1 teaspoon hot red chile flakes
• 1 tablespoon kosher salt
• 1 teaspoon ground black pepper
• 3 cups cider vinegar
• 3 tablespoons molasses
• 2 tablespoons dark corn syrup
• 1 cup Heinz chile sauce
• 1/3 cup brown sugar
• 2 teaspoons kosher salt
• 2 tablespoons Crystal hot sauce
• 2 tablespoons Worcestershire sauce
• 2 teaspoons red chile flakes, or more to taste