- Add Redis service for caching and background job processing
- Add Sidekiq worker service for background tasks
- Update to tagged version 0.28.1 for stability
- Fix Redis URL format to resolve parsing errors
- Remove incorrect volume mounts and SQLite paths
- Add proper service dependencies and health checks
- Use vault variable for SECRET_KEY_BASE security
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Co-Authored-By: Claude <noreply@anthropic.com>