- Add commit_url column to webhook_events and deployments tables
- Extract commit URL from webhook payload (from commit object or repo URL)
- Format Slack messages with backticks for branch and commit SHA
- Link commit SHA to the actual commit URL on the git server
- Keep plain text format for ntfy notifications
- Clone specific commit SHA from webhook instead of just branch HEAD
- Log webhook payload in deployment logs
- Add build/deploy timing to ntfy and Slack notifications
- Implement container rollback on deploy failure
- Remove old container only after successful deployment
- Show relative times in deployment history (hover for full date)
- Update port mappings UI with labeled text inputs
- Add footer with version info, license, and repo link
- Format deploy key comment as upaas_DATE_appname