The worst thing about Fly is, when something goes wrong, it's not just one thing, there's bunch of things broken at the same time and their status page will show everything green.
Their typical response is either silence or so casual ("oh this is what happens we deploy on friday"). The product looks amazing but it's just a nice package around the most unreliable hosting service I've ever used.
You can't just keep breaking people's work every once a week, make them spend their weekend nights trying to bring back their stuff, and give these "we could have done better" answers. This is an excuse for exceptions, not patterns.
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