export default { async fetch(request, env, ctx) { const url = new URL(request.url); const targetUrl = 'https://username-spacename.hf.space' + url.pathname + url.search; // Convert HEAD to GET for HF Spaces compatibility // Critical: monitoring tools (UptimeRobot etc) use HEAD requests // HF Spaces returns 405 for HEAD — this fixes it const method = request.method === 'HEAD' ? 'GET' : request.method; const newRequest = new Request(targetUrl, { method: method, headers: request.headers, body: request.method === 'HEAD' ? null : request.body, }); const response = await fetch(newRequest); const newHeaders = new Headers(response.headers); newHeaders.set('Access-Control-Allow-Origin', '*'); return new Response( request.method === 'HEAD' ? null : response.body, { status: response.status, statusText: response.statusText, headers: newHeaders, } ); }, }; export default { async fetch(request, env, ctx) { const url = new URL(request.url); const targetUrl = 'https://username-spacename.hf.space' + url.pathname + url.search; // Convert HEAD to GET for HF Spaces compatibility // Critical: monitoring tools (UptimeRobot etc) use HEAD requests // HF Spaces returns 405 for HEAD — this fixes it const method = request.method === 'HEAD' ? 'GET' : request.method; const newRequest = new Request(targetUrl, { method: method, headers: request.headers, body: request.method === 'HEAD' ? null : request.body, }); const response = await fetch(newRequest); const newHeaders = new Headers(response.headers); newHeaders.set('Access-Control-Allow-Origin', '*'); return new Response( request.method === 'HEAD' ? null : response.body, { status: response.status, statusText: response.statusText, headers: newHeaders, } ); }, }; export default { async fetch(request, env, ctx) { const url = new URL(request.url); const targetUrl = 'https://username-spacename.hf.space' + url.pathname + url.search; // Convert HEAD to GET for HF Spaces compatibility // Critical: monitoring tools (UptimeRobot etc) use HEAD requests // HF Spaces returns 405 for HEAD — this fixes it const method = request.method === 'HEAD' ? 'GET' : request.method; const newRequest = new Request(targetUrl, { method: method, headers: request.headers, body: request.method === 'HEAD' ? null : request.body, }); const response = await fetch(newRequest); const newHeaders = new Headers(response.headers); newHeaders.set('Access-Control-Allow-Origin', '*'); return new Response( request.method === 'HEAD' ? null : response.body, { status: response.status, statusText: response.statusText, headers: newHeaders, } ); }, }; FROM python:3.11-slim WORKDIR /app COPY . . RUN pip install -r requirements.txt ENV PORT=7860 EXPOSE 7860 CMD ["python", "-m", "your_app"] FROM python:3.11-slim WORKDIR /app COPY . . RUN pip install -r requirements.txt ENV PORT=7860 EXPOSE 7860 CMD ["python", "-m", "your_app"] FROM python:3.11-slim WORKDIR /app COPY . . RUN pip install -r requirements.txt ENV PORT=7860 EXPOSE 7860 CMD ["python", "-m", "your_app"] git remote add hf https://huggingface.co/spaces/username/spacename git push hf main git remote add hf https://huggingface.co/spaces/username/spacename git push hf main git remote add hf https://huggingface.co/spaces/username/spacename git push hf main - Railway gives you 512MB RAM — not enough for a real AI stack - Render sleeps your app after 15 minutes of inactivity - Vercel kills long-running processes and SSE streams - FastAPI backend with SSE streaming - Offline neural TTS (Piper) - Self-hosted translation (LibreTranslate) - LLM API with failover - Create free account at cloudflare.com - Add your domain → select Free plan - Cloudflare gives you 2 nameservers — update them at your registrar - Wait for DNS propagation (usually 15-30 mins) - Cloudflare Dashboard → Workers & Pages → Create application - Click Start with Hello World - Name it (e.g. myapp-proxy) - Replace the code with the Worker code above - Click Deploy - Worker page → Domains tab → Add a custom domain - Leave subdomain empty (for root domain) - Done — Cloudflare handles SSL automatically - Type: CNAME - Target: username-spacename.hf.space - Proxy status: DNS only (grey cloud) ← important! - Railway: $5-20/month - Render: $7/month - DigitalOcean: $6/month - Vercel Pro: $20/month - Sleep: HF Spaces sleeps after 48hrs inactivity — solved by UptimeRobot - Single container: No docker-compose on free tier — bundle everything in one image - CPU only: GPU costs $0.40/hr+ — fine for most apps, upgrade when needed - HF custom domain: Needs Pro — hence the Worker workaround