DEVOPS

Post-Deploy Regression Watch With Auto-Rollback Alert

After a deploy webhook fires, it watches Datadog error and latency metrics for a baseline window.

CategoryDevOps
Enginesim
Difficultyintermediate
Triggerwebhook
Steps5
Setup~15 min

How it runs

The automated pipeline, trigger to output.

  • TriggerDeploy finished (incoming webhook)HTTP webhook
  • ActionRecord pre-deploy metric baselineDatadogDatadog
  • ActionRe-query metrics after soak windowDatadogDatadog
  • LogicDetect regression vs. baseline + tolerance
  • OutputPage on-call with rollback recommendationPagerDutyPagerDuty

What it does

This workflow closes the deploy-risk loop after release: it captures the pre-deploy baseline, watches the service for a set window, and if error rate or latency regresses against that baseline it pages the on-call engineer with a rollback recommendation and the offending metrics.

When to use it

Use it when bad deploys are caught too late — you want an automatic comparison of after-vs-before so a regressing release surfaces in minutes, not in the next customer ticket.

How it works

  1. 1A deploy-finished webhook fires with the service and version.
  2. 2A Datadog step records the pre-deploy baseline error rate and latency.
  3. 3The flow waits a defined soak window, then re-queries the same metrics.
  4. 4A logic step compares post-deploy values against the baseline plus tolerance.
  5. 5A branch fires only when a regression is detected.
  6. 6PagerDuty pages on-call with the regression details and a rollback recommendation.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect HTTP webhookTrigger any URL on agent actions.
  2. 2
    Connect DatadogMetrics, traces, log search.
  3. 3
    Connect PagerDutyIncidents, on-call, escalations.
  4. 4
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  5. 5
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  6. 6
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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