deploy

name	deploy
description	Application deployment strategies. Zero-downtime deploy, rollback procedures, database migrations during deploy. Don't use for initial server setup.
disable-model-invocation	true
model	sonnet
effort	medium
allowed-tools	Read, Bash, Grep

Deployment

Zero-Downtime Deploy

1. Build new version
2. Run database migrations (backward-compatible)
3. Deploy new containers alongside old
4. Health check new containers
5. Switch traffic to new containers
6. Remove old containers

Rollback Procedure

1. Stop new containers
2. Revert to previous image tag
3. Run rollback migration if needed
4. Verify health
5. Post-mortem

Pre-Deploy Checklist

• All tests passing
• Security scan clean
• Database migration tested
• Environment variables verified
• Backup taken
• Team notified