Most launch-day incidents are gaps a readiness review would have caught. A shared checklist for what 'ready' actually means before you ship.
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Most launch-day incidents are gaps a readiness review would have caught. A shared checklist for what 'ready' actually means before you ship.
Engineering leads preparing a first production launch
Teams standardizing a release process across projects
Founders inheriting infrastructure they didn't build
Define what 'ready' means before launch, not during an incident
Separate must-have readiness criteria from nice-to-have ones
Build a repeatable check instead of relying on tribal knowledge
Teams launch without agreeing on what 'production ready' actually means, and discover the gaps — no rollback plan, no alerting on the failure that occurred, no clear owner — during the incident, not before it.
A shared, written bar for readiness turns 'is this done?' from a debate the night before launch into a checklist anyone on the team can run.
Downtime immediately after a launch costs more in trust than the same downtime six months later — it's the first impression, and customers and stakeholders judge the whole product by it.
Most 'surprise' incidents aren't surprising in hindsight — they're gaps a readiness review would have caught: no rollback plan, no alert tuned to the failure mode that actually occurred, no owner during the first 48 hours after launch.
Teams with a real, run-every-time checklist don't have fewer things go wrong — they have calmer launches, because they already decided how they'll respond before they needed to.
Rollback plan
A concrete, tested way to undo the release — not just 'we can redeploy the old version' as a theory nobody has actually run. If rolling back has never been tested, it isn't a plan.
Alerting vs. logging
Logs tell you what happened after someone goes looking; alerts tell someone something is wrong without them looking. A launch with logging but no alerting on its critical failure modes will be diagnosed after the fact, not caught in the moment.
Ownership window
A named person or rotation responsible for responding in the hours immediately after launch — the highest-risk window, when unknown failure modes are most likely to surface and least likely to have a runbook yet.
Define what 'ready' means, in writing
Agree on the must-have bar before launch day arrives — rollback, monitoring, and an owner are non-negotiable; everything else is a judgment call made in advance, not under pressure.
A team assumes they can redeploy the previous version if something goes wrong, but has never actually run the rollback — on launch day, the untested script fails on a database migration that isn't reversible, turning a five-minute rollback into a two-hour incident.
A team ships comprehensive logging but no alert on their payment provider's error rate specifically — a partial outage goes unnoticed for forty minutes until a customer reports it, time an alert on that exact metric would have saved.
Treating monitoring as done once dashboards exist
A dashboard someone has to remember to check isn't the same as an alert that reaches someone — the gap only becomes visible when the one time it mattered, nobody was looking at the dashboard.
No named owner for the first 48 hours after launch
When everyone is implicitly responsible, response time during the highest-risk window depends on who happens to notice first, not on a plan.
Writing a readiness checklist but never actually running it
A checklist that exists as a document but isn't run before every launch provides no more protection than not having one — the value is in the habit, not the artifact.
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