App reverts after a few minutes/hours but no logs in activity

When I deploy my pheonix app, everything seems to work fine, but after some time passes (~30min to an hour), when I refresh, an older version of my app seems to be running(can tell from html/css I remove etc). Nothing in activity or logs account for this. Not sure whats going on. Anyone run into a similar situation?

My bad, this was caused by some other issue unrelated to fly.