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Runbook Checklist Example: Deploying Application Updates
PostedNovember 11, 2024
UpdatedNovember 11, 2024
ByKevin McCaffrey
Checklist Title: Application Update Deployment
Created On: November 7, 2024
Last Updated By: Kevin McCaffrey
Objective
To deploy application updates with minimal downtime and ensure a smooth transition from the old version to the new version.
Prerequisites
- Ensure you have access to the necessary servers and deployment tools.
- Confirm that the backup of the current version is complete and verified.
- Notify stakeholders about the scheduled deployment and potential impact.
Step-by-Step Deployment Checklist
- Pre-Deployment Checks
- Verify that all pre-deployment tests have passed.
- Check that all necessary services are running and healthy.
- Review monitoring dashboards to confirm system stability.
- Ensure rollback procedures are documented and ready.
- Initiate Deployment
- Start the deployment process using the designated deployment tool (e.g., AWS CodeDeploy, Azure DevOps).
- Monitor the deployment progress and check for any immediate errors.
- Ensure that logs are capturing all deployment activities.
- Post-Deployment Validation
- Verify that the new version is active and running.
- Perform a series of health checks on the application.
- Check database connectivity and functionality.
- Confirm that all external integrations are functioning correctly.
- Monitor performance metrics for any signs of degradation.
- Rollback Procedures (If Needed)
- Initiate rollback if critical issues are detected.
- Notify the team and stakeholders about the rollback.
- Document the issues encountered and gather logs for analysis.
- Post-Deployment Communication
- Notify stakeholders that the deployment is complete.
- Provide a status update on the deployment, including any issues resolved or pending follow-ups.
- Update the runbook with any lessons learned or changes needed for future deployments.
Notes
- Deployment Window: Ensure the deployment is within the approved maintenance window.
- Monitoring Tools: Use Amazon CloudWatch or similar tools to keep an eye on performance and alerts.
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