Easily Host Multiple Rails Apps on One Machine with Caddy

Yes — very easily. Caddy is actually excellent for hosting multiple Rails apps on one machine. You simply: run each Rails app on a different internal port let Caddy route domains/subdomains to the correct app Example architecture Mac mini ├── Caddy ├── App 1 (Puma :3000) ├── App 2 (Puma :3001) ├── App 3 (Puma :3002) └── SQLite files Traffic: ...

November 3, 2026 · 2 min · Markus Greiner