Deploy from the hosted arm64 runner instead of building on the box - #13
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anv26's hardening pass deliberately purged the C toolchain (gcc, libc6-dev, make), so the on-box cabal build the deploy relied on cannot configure new dependencies. Build on ubuntu-24.04-arm instead - same Ubuntu and glibc as the Ampere box, runtime libraries verified present - and ship the binary over the existing Access tunnel. cloudflared switches to the arm64 asset, same pin-and-checksum discipline.
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The 0.5.0.0 deploy failed with
ghc: could not execute: gcc: the production box's hardening pass deliberately purged the compiler toolchain (gcc, libc6-dev, make), and the deploy still built the server on-box - a design from before hosted arm64 runners were available to public repos.Build on
ubuntu-24.04-arminstead - the same Ubuntu and glibc as the Ampere box, with the needed runtime libraries (libgmp10, libffi8, zlib1g, libnuma1) verified present on the host - and ship the binary over the existing Cloudflare Access tunnel, exactly as the unit file already travels. The service keeps serving during the transfer and restarts only for the install. cloudflared switches to the arm64 asset (the runner is arm now) under the same pinned version + checksum discipline.Once this proves out over a few deploys, the box's now-unused 9 GB GHC toolchain (
~/.ghcup+~/.cabal) can be retired, completing the no-toolchain-on-prod hardening.