Chipotle Pork with Pineapple Salsa

Name: Chipotle Pork with Pineapple Salsa
Cuisine: Mexican, Latin American
Ingredients: cooking spray; 1 chipotle pepper in adobo sauce; 1 tbsp olive oil; ½ tsp oregano; 2 tsp chili powder; ½ tsp ground cumin; ½ tsp plus ¼ tsp salt, divided; ¼ tsp black pepper; 1 lb pork tenderloin, trimmed; 3 cups pineapple chunks; 2 tbsp red onions, thinly sliced; ¼ cup cilantro, chopped; 1½ limes, juiced; ½ jalapeno pepper, thinly sliced; 8 small Tortillas