212 Burger

Name: 212 Burger
Ingredients: 2 Cups fresh pineapple, diced; 1/2 Cup chopped red bell pepper; 1/2 Cup chopped yellow onion; 1/3 Cup unseasoned rice vinegar; 1/3 Cup packed light brown sugar; 1 Tablespoon peeled and minced fresh ginger; 1 Teaspoon dry mustard; 1 small fresh red chile, such as Thai or serrano, seeded and minced; 1 star anise pod; 1 garlic clove, minced; 1/2 Teaspoon kosher salt; 1/2 Cup mayonnaise; 2 Tablespoons tomato ketchup; 1 Teaspoon sriracha or chile garlic paste; 1 Pound ground pork; 2 green onions, white and green parts, minced; 3 garlic cloves, crushed through a press; 2 Tablespoons soy sauce; 1 Teaspoon kosher salt; 1 Teaspoon freshly ground black pepper; vegetable oil, for brushing; 6 soft hamburger buns; 6 slices bacon, halved crosswise and cooked until crisp; 6 red lettuce leaves