Fly.io Hello World Overview Deploy a minimal app to Fly.io using . Fly.io runs Docker containers on Firecracker microVMs across 30+ regions worldwide. Two paths: CLI (simple) or Machines API (programmatic). Instructions Step 1: Launch with flyctl Step 2: Verify Deployment Step 3: Deploy via Machines API Output Error Handling | Error | Cause | Solution | |-------|-------|----------| | | App exists but no machines | Run or create via API | | | Docker build failed | Check Dockerfile, run locally | | | Invalid region code | Use to list valid codes | | | Org quota reached | Check or upgrade plan |…