How to Upgrade Marketplace Apps Without Data Loss

Overview

Marketplace apps receive regular updates for security patches and new features. This guide covers safe upgrade procedures that preserve your data.

Pre-Upgrade Checklist

1. Create a backup of your data volumes
2. Note your current version
3. Check the changelog for breaking changes
4. Test in a staging environment if possible

Backup First

# Backup Docker volumes\ncd /opt/apps/YOUR_APP\ndocker compose exec db mysqldump -u root -p database > backup.sql\n\n# Or for full volume backup\ndocker run --rm -v YOUR_APP_data:/data -v $(pwd):/backup alpine tar czf /backup/data-backup.tar.gz /data

Performing the Upgrade

# Pull latest images\ndocker compose pull\n\n# Recreate containers with new images\ndocker compose up -d\n\n# Check logs for migration issues\ndocker compose logs -f --tail=50

Rollback If Needed

# Restore from backup\ndocker compose down\ndocker run --rm -v YOUR_APP_data:/data -v $(pwd):/backup alpine tar xzf /backup/data-backup.tar.gz -C /\ndocker compose up -d