Asian Inspired Ceviche

Name: Asian Inspired Ceviche
Ingredients: * 1 pound wild swordfish steaks (sustainably harvested, if possible, rinsed, dried and cut into 1 inch cubes); * 1/2 cup fresh lime juice; * 1 large tomato (diced); * 1 cup cucumber (diced (I used homegrown kirby cucumber)); * 1 shallot (peeled and minced); * 1 Serrano chile pepper (minced (you could use two if you want it to be quite spicy)); * 1 cup chopped fresh cilantro; * 2 tablespoons olive oil; * 1 tablespoon rice vinegar; * 2 tablespoons Thai fish sauce; * 2 tablespoons brown sugar; * pinch of red pepper flakes (plus more to taste)