In a large bowl, combine the pineapple, cucumber, red onion, and cilantro.
In a small bowl, whisk together the fish sauce, lime juice, and honey.
Pour the dressing over the salad and toss to coat.
If using, add the sliced Thai chili and toss to combine.
Let sit for 5-10 minutes to allow the flavors to meld.
Serve immediately.
