ci: stop restarters-dev nightly to save cost#889
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Adds a scheduled GitHub Actions workflow that stops the restarters-dev Fly machine(s) every night at 02:00 UTC. auto_stop_machines is "off" so Fly won't undo the stop, and auto_start_machines is true so the box boots again on the next request in the morning. Reuses the existing FLY_API_TOKEN repo secret. Off overnight (no CPU billing), back on demand; the volume persists so no data is lost. Also runnable manually via workflow_dispatch. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
![github-advanced-security[bot]](https://avatars.githubusercontent.com/in/57789?s=60&v=4){kind=small}
| stop-dev: | ||
| runs-on: ubuntu-latest | ||
| steps: | ||
| - uses: superfly/flyctl-actions/setup-flyctl@master |
Pin superfly/flyctl-actions/setup-flyctl from @master to the full commit SHA ed8efb3 (master as of 2026-07-03). Satisfies SonarCloud's new_security_rating gate (rule githubactions:S7637 — pin actions to a full-length commit SHA to prevent a moving tag/branch from silently introducing malicious code).
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Adds a scheduled GitHub Actions workflow that stops the
restarters-devFly machine(s) every night at 02:00 UTC so we don't pay for the dev/staging box while it's idle overnight.Why it's safe / how it works
fly.dev.tomlhasauto_stop_machines = "off"→ Fly won't auto-stop the box during the day, and won't auto-restart a machine we stop here (min_machines_runningis only enforced when autostop is enabled, so it's inert — verified: a manualfly machine stopstayed stopped).fly.dev.tomlhasauto_start_machines = true→ the machine boots again automatically the first time anyone hits it in the morning (verified: a request cold-started it back tostarted).Net effect: off overnight (no CPU billing), back on demand.
Reuses the existing
FLY_API_TOKENrepo secret. Also runnable on demand via workflow_dispatch (Actions tab → Run workflow).Note on time zone
GitHub Actions cron is UTC and doesn't follow BST/DST:
0 2 * * *= 02:00 UTC = 03:00 London in summer (BST) / 02:00 in winter. Nudge the cron if you want exactly 02:00 London year-round.🤖 Generated with Claude Code