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linearvoid/docs/operations/cloudflare-workers-setup.md
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2026-08-16 09:26:35 +02:00

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# Cloudflare Workers Setup — Linear Void
Linear Void uses Cloudflare Workers for two purposes:
| Product | Purpose | What |
| ----------- | ------------------ | ------------------------------------------------------------------------------------ |
| **Workers** | Static SPA hosting | Vite-built frontend (`frontend/dist`) served as Worker static assets |
| **Workers** | Edge cache logic | `infrastructure/cloudflare/worker.js` — adds immutable cache headers to HLS segments |
Both are managed under **Workers & Pages** in the Cloudflare dashboard.
## Dashboard URLs
| Resource | URL |
| ------------------------ | ------------------------------------------------------------------------------------------------------------------- |
| Workers & Pages overview | `https://dash.cloudflare.com/deb11491c54ec53a24772e98ac6d8128/workers-and-pages` |
| Worker: linearvoid | `https://dash.cloudflare.com/deb11491c54ec53a24772e98ac6d8128/workers/services/view/linearvoid/production/settings` |
| API tokens | <https://dash.cloudflare.com/profile/api-tokens> |
## Worker: `linearvoid` (edge cache headers)
The Worker at `infrastructure/cloudflare/worker.js` runs on the `linearvoid` Workers service. It intercepts requests and adds immutable `Cache-Control` headers to `.m4s` segment files.
Deploy via Wrangler CLI:
```bash
npx wrangler deploy infrastructure/cloudflare/worker.js
```
Or paste into the Workers dashboard at the URL above (Quick Edit).
## Worker: static frontend
Serve the Vite-built SPA (`frontend/dist`) as Worker static assets:
1. Build the frontend: `cd frontend && npm run build`.
2. Bind `frontend/dist` to the Worker as static assets (Workers Static Assets / `assets` in `wrangler.toml`).
3. Attach the `linearvoid.tv` custom domain to the Worker.
See [gitea-cloudflare-workers.md](./gitea-cloudflare-workers.md) for the automated deployment workflow.
### Build-time variables
The `VITE_PUBLIC_*` values are baked into the bundle at build time by Vite (`vite.config.ts` uses `envDir: ".."` to read them from the repo root). They are supplied by the Gitea Actions build environment from Gitea secrets — not as Worker runtime variables. The static-assets Worker has no runtime JavaScript, so it reads no `env` at request time.
| Name | Value |
| ---------------------------------------- | ----------------------------------------------- |
| `VITE_PUBLIC_APP_URL` | `https://linearvoid.tv` |
| `VITE_PUBLIC_WS_URL` | `wss://linearvoid.tv/ws` |
| `VITE_PUBLIC_HLS_URL` | `https://media.linearvoid.tv/hls/playlist.m3u8` |
| `VITE_PUBLIC_ADMIN_DEFAULT_MODERATOR` | `boogers` |
| `VITE_PUBLIC_ADMIN_DEFAULT_ROOM` | `main` |
| `VITE_PUBLIC_ADMIN_MODERATION_LOG_LIMIT` | `50` |
Backend services (playout, chat, nginx) read their own runtime variables (`ADMIN_*`, `HLS_*`, `PLAYLIST_PATH`, `R2_*`, `DATABASE_URL`, `REDIS_URL`) from the container environment — see [`.env.example`](../../.env.example).
## Custom domains
- `linearvoid.tv` → Worker (static SPA)
- `www.linearvoid.tv` → redirect to `linearvoid.tv`
- `media.linearvoid.tv` → R2 bucket (separate; not a Worker)
## Related
- [Gitea to Cloudflare Workers deployment guide](./gitea-cloudflare-workers.md)
- [Cloudflare & UptimeRobot checklist](./cloudflare-uptimerobot-checklist.md)