DEVOPS

Failed Deploy to Auto-Rollback and On-Call Page

When a Vercel deployment fails or its post-deploy health check breaks, page on-call in PagerDuty, open a GitHub revert PR for the bad commit, and notify the team in Slack.

CategoryDevOps
Enginesim
Difficultyintermediate
Triggerevent
Steps5
Setup~15 min

How it runs

The automated pipeline, trigger to output.

  • TriggerVercel deployment failedVercelVercel
  • LogicFilter to production target failures only
  • ActionPage deploy on-call via PagerDutyPagerDutyPagerDuty
  • ActionOpen GitHub revert PR for the bad commitGitHubGitHub
  • OutputNotify team in Slack with rollback linkSlack

What it does

Reacts to a broken deployment before it lingers in production. When a Vercel deploy errors or its health check fails, it pages the on-call engineer, drafts a GitHub revert PR for the offending commit so a fix is one click away, and posts the deploy failure context to Slack.

When to use it

Use it when bad deploys need an immediate human and a ready rollback path, especially for services where a failed release should never sit unattended.

How it works

  1. 1A Vercel deployment event reports an `error` or `failed` state.
  2. 2Logic checks whether the failure is on a production target; preview failures are ignored.
  3. 3A PagerDuty incident is created to page the deploy on-call rotation with the build logs link.
  4. 4GitHub opens a revert PR against the failing commit on the production branch, ready to merge.
  5. 5A Slack message reports the failed deploy, the page, and a link to the prepared revert PR for fast rollback.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect VercelDeploys, runtime logs, analytics.
  2. 2
    Connect PagerDutyIncidents, on-call, escalations.
  3. 3
    Connect GitHubRepos, issues, pull requests, actions.
  4. 4
    Connect SlackChannels, DMs, threads, mentions.
  5. 5
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  6. 6
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  7. 7
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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