# Git Commit Message

refactor: add production features and improve architecture

- Add structured configuration with validation
- Implement Redis connection pooling
- Add database migrations system
- Change API methods: GET /set → POST /set, GET /delete → DELETE /delete
- Add health check endpoint
- Add graceful shutdown and structured logging
- Update frontend for new API methods
- Add open source attribution

migrations/002_created_at-updated_at.sql

@@ -0,0 +1,5 @@
+ALTER TABLE timezones 
+ADD COLUMN IF NOT EXISTS created_at TIMESTAMPTZ DEFAULT NOW();
+
+ALTER TABLE timezones 
+ADD COLUMN IF NOT EXISTS updated_at TIMESTAMPTZ DEFAULT NOW();