Flybuilder Questions

  1. I see on Billing Usage, my Fly Builder thus far has almost 5GB of outbound data usage. Are we currently charged for this usage? Are we charged for Fly Builder hours (I do see that this is always pegged at 0 hours)?
  2. I ran into an issue recently where my Fly Builder ran out of space ERROR: failed to export: failed to write image to the following tags: ... no space left on device. I simply destroyed the builder with flyctl destroy and re-deployed. Fly created a new builder without issue, and the deploy succeeded. Is this alright?


  1. We are not charging for builder related hours or bandwidth. Someday we’ll have a notion of “build minutes” with those things but we expect the way everyone uses them now to remain free.
  2. Deleting the builder app was the right thing to do, yes, although we should clean up that disk better. For now that’s the right choice!


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