# Shipping overview

| Surface | Dev | Prod notes |
|---------|-----|------------|
| Next app | `cd frontend && npm run dev` → :3000 | Your host / Vercel / etc. |
| API | `cd backend && npm run dev` → :4000 | Node host + Postgres |
| This docs site | `cd docs-site && npm start` → :3001 | Amplify via `amplify.yml` |

:::caution[Secrets]
Do **not** commit `.env` files or paste contents of `Docs/Deployment Summary` into this site. Use env vars on the host.
:::

Next: [Local setup](/shipping/local-setup).