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A Practical Release Readiness Checklist

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Practical Release Criteria Checklist

Overview

This document outlines the essential perspectives for release decision-making that I have designed, based on what one will inevitably face in real-world practice.
After enjoyable development, the judgment of "is it safe to release?" always awaits. This is structured so that all engineers in the field share a common understanding and to prevent decisions from being swayed by subjectivity.

1. Validation

  • Have all automated tests (unit, integration, E2E) passed? (Critical)
  • Does the test coverage meet the benchmark (e.g., 80% or higher)? (Recommended)
  • Has all code review been completed? (Critical)
  • Are there no remaining critical bugs or unresolved issues? (Critical)
  • Are there no issues with security checks and scans? (Critical)

2. Rollback Preparation

  • Is the rollback procedure defined? (Critical)
  • Can the rollback be completed within 30 minutes? (Critical)
  • Is the previous stable version preserved? (Critical)
  • Is data migration reversible, or is there an alternative script? (Recommended)
  • Can the feature be disabled via Feature Flag? (Recommended)

3. Monitoring and Operational Structure

  • Have metrics/dashboards been updated? (Critical)
  • Are alert rules configured? (Critical)
  • Is the on-call responder identified? (Critical)
  • Is the release time frame appropriate (i.e., not overlapping with high-traffic events or maintenance)? (Recommended)

4. Communication

  • Has the release plan been shared with stakeholders? (Critical)
  • Is a release note prepared? (Recommended)
  • Has the risk level (S0–S3) been clearly stated? (Recommended)

5. Post-Release Observation (Definition of Done)

  • Is there an assigned person to monitor metrics for 30–60 minutes after the release? (Critical)
  • Were there no critical alerts triggered during the observation window? (Critical)
  • Has a user impact assessment (support inquiries/SNS monitoring) been conducted? (Recommended)

Determination Results

  • ✅ GO (Proceed) → All Critical items are Yes, and any No for Recommended items is within an acceptable range.
  • ⚠️ PAUSE (Hold) → All Critical items are Yes, but there are significant concerns regarding Recommended items.
  • ⛔ STOP (Abort) → Any No for Critical items.

Discussion