Runbook Checklist Example: Deploying Application Updates

Checklist Title: Application Update Deployment
Created On: November 7, 2024
Last Updated By: Kevin McCaffrey

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Objective

To deploy application updates with minimal downtime and ensure a smooth transition from the old version to the new version.

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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.

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Step-by-Step Deployment Checklist

1. 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.
2. 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.
3. 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.
4. 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.
5. 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.

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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.