Build images with nixpacks

I’ve made a pre-release that should pass-through all env vars prefixed with NIXPACKS_ to the nixpacks command.

Depending on how you installed flyctl to begin with, you have a few options:

  • If you installed via homebrew (if you’re on macos), then it might be easier to download the release binary from: Release v0.0.388-pre-1 · superfly/flyctl · GitHub and just running that like ./flyctl.
  • If you’ve installed it from our install script via curl, you can do: curl -L https://fly.io/install.sh | sh -s pre to get a prerelease.

Let me know if it works out for you!

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