DEVOPS
Auto-rollback Vercel when error budget burn spikes after release
Continuously checks the Sentry error-budget burn rate against the latest Vercel release and, if burn exceeds the fast-burn limit, promotes the previous deployment back…
How it runs
The automated pipeline, trigger to output.
- TriggerSchedule: every few minutes
- ActionPull error rate and compute SLO burn rate from SentrySentry
- ActionFetch latest and previous production deploys from VercelVercel
- LogicBranch on fast-burn threshold breach
- ActionPromote previous Vercel deployment back to productionVercel
- OutputPost rollback summary to SlackSlack
What it does
Guards your SLO error budget against bad releases. On a short schedule it computes the current burn rate from Sentry error volume, attributes it to the most recent Vercel production release, and if the fast-burn threshold is breached it triggers a rollback by re-promoting the prior known-good deployment, then reports what happened.
When to use it
Use it when a regression must not be allowed to drain a month's error budget in minutes and you want the system to revert a bad deploy automatically rather than waiting for a human to wake up.
How it works
- 1A schedule runs every few minutes during active hours.
- 2The flow pulls the current event/error rate from Sentry and computes the burn rate against the SLO budget.
- 3It fetches the latest production deployment and the previous good one from Vercel.
- 4A branch checks whether burn exceeds the fast-burn limit.
- 5If breached, it promotes the previous Vercel deployment back to production.
- 6It posts a rollback summary with the burn rate and reverted release to Slack.
Set it up
What you configure once, before turning it on.
- 1Connect SentryErrors, performance, releases.
- 2Connect VercelDeploys, runtime logs, analytics.
- 3Connect SlackChannels, DMs, threads, mentions.
- 4Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
- 5Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
- 6Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.
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