17 lines
7.6 KiB
JSON
17 lines
7.6 KiB
JSON
{
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"title": "Serve UI on LAN",
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"messages": [
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{
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"role": "user",
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"content": "Okay got a MVP running that works pretty well. It’s using a very basic webUI that lives in a folder called ui. I just click that index.html from my main computer and it pulls up the chat interface. How do I make it so that is accessible from any browser (we can start with LAN and then make a proxy host)"
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},
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{
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"role": "tool",
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"content": "All the files uploaded by the user have been fully loaded. Searching won't provide additional information."
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},
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{
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"role": "assistant",
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"content": "Nice—congrats on the MVP! Here’s a clean path to make your `ui/index.html` reachable from any browser on your LAN first, and then expose it on the internet behind a proxy host with HTTPS.\n\n# 1) Serve the UI on your LAN (fastest way)\n\n### A. Start a simple static server\nFrom the machine that has the `ui` folder:\n\n**Option 1 — Python (no installs needed on most systems)**\n```bash\ncd /path/to/ui\npython -m http.server 8080 --bind 0.0.0.0\n```\n\n**Option 2 — Node (if you prefer)**\n```bash\n# one-time\nnpm i -g http-server\n# run\nhttp-server ui -p 8080 -a 0.0.0.0\n```\n\nThis serves your UI on port **8080** and listens on all interfaces.\n\n### B. Find your LAN IP & test\n- **Windows:** `ipconfig` → look for IPv4 (e.g., `192.168.1.23`)\n- **macOS/Linux:** `ifconfig` or `ip addr` (look for `192.168.x.x` or `10.x.x.x`)\n\nOn another device (phone/laptop on same Wi-Fi), open: \n`http://<YOUR_LAN_IP>:8080`\n\n### C. Open your firewall if needed\n- **Windows:** Windows Defender Firewall → Inbound rules → allow port **8080** (TCP).\n- **macOS:** System Settings → Network → Firewall → Options → allow Terminal (or the server app).\n- **Ubuntu (ufw):** `sudo ufw allow 8080/tcp`\n\n> Tip: If your UI calls a backend (Lyra-Core) on `localhost`, that won’t work from other devices. Use the host’s LAN IP or—better—proxy backend requests via the same origin (next section) so the UI can just hit `/api` without CORS issues.\n\n---\n\n# 2) Add a local reverse proxy (single origin = fewer CORS headaches)\n\nRun a small reverse proxy that:\n- Serves the static UI, and\n- Proxies `/api` (and `/ws` if you use WebSockets) to your Lyra-Core backend (example: `127.0.0.1:5001`).\n\n## Option A — Caddy (simple, auto-HTTPS later)\n**Caddyfile** (save as `Caddyfile` next to your `ui` folder for now we’ll only use LAN/http):\n```caddy\n:8080 {\n root * /path/to/ui\n encode gzip\n file_server\n\n # API proxy (adjust port to your backend)\n handle_path /api/* {\n reverse_proxy 127.0.0.1:5001\n }\n\n # WebSockets (if your backend exposes e.g. /ws)\n handle_path /ws/* {\n reverse_proxy 127.0.0.1:5001\n }\n}\n```\n\nRun:\n```bash\ncaddy run\n```\n\nVisit: `http://<YOUR_LAN_IP>:8080`\n\n## Option B — Nginx\nInstall Nginx and put this in `/etc/nginx/sites-available/lyra`:\n```nginx\nserver {\n listen 8080;\n server_name _;\n\n root /path/to/ui;\n index index.html;\n\n # For SPAs: always serve index.html for client routing\n location / {\n try_files $uri $uri/ /index.html;\n }\n\n location /api/ {\n proxy_pass http://127.0.0.1:5001/;\n proxy_set_header Host $host;\n proxy_set_header X-Forwarded-For $remote_addr;\n proxy_set_header X-Forwarded-Proto $scheme;\n }\n\n # WebSockets (if used)\n location /ws/ {\n proxy_pass http://127.0.0.1:5001;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n proxy_set_header Host $host;\n }\n}\n```\nEnable & reload:\n```bash\nsudo ln -s /etc/nginx/sites-available/lyra /etc/nginx/sites-enabled/lyra\nsudo nginx -t && sudo systemctl reload nginx\n```\n\nNow your UI is at `http://<YOUR_LAN_IP>:8080`, and the UI can call `fetch('/api/...')` (and `/ws/...`) without CORS gymnastics.\n\n> Frontend tip: set your API base like `const API_BASE = '/api';` so it works both locally and later under a domain.\n\n---\n\n# 3) Put it on the internet (proxy host + HTTPS)\n\nYou have three solid paths. Pick one:\n\n## Path A — Nginx + Let’s Encrypt (DIY, classic)\n1) **Get a domain** (e.g., `chat.example.com`) and point a DNS A record to your public IP. \n2) **Router port forward:** 80 and 443 → your server’s LAN IP. \n3) **Update Nginx for 80/443 & SSL:**\n ```nginx\n server {\n listen 80;\n server_name chat.example.com;\n return 301 https://$host$request_uri;\n }\n\n server {\n listen 443 ssl http2;\n server_name chat.example.com;\n\n # Managed by certbot later\n ssl_certificate /etc/letsencrypt/live/chat.example.com/fullchain.pem;\n ssl_certificate_key /etc/letsencrypt/live/chat.example.com/privkey.pem;\n\n root /path/to/ui;\n index index.html;\n\n location / { try_files $uri $uri/ /index.html; }\n\n location /api/ {\n proxy_pass http://127.0.0.1:5001/;\n proxy_set_header Host $host;\n proxy_set_header X-Forwarded-For $remote_addr;\n proxy_set_header X-Forwarded-Proto $scheme;\n }\n\n location /ws/ {\n proxy_pass http://127.0.0.1:5001;\n proxy_http_version 1.1;\n proxy_set_header Upgrade $http_upgrade;\n proxy_set_header Connection \"upgrade\";\n proxy_set_header Host $host;\n }\n }\n ```\n4) **Get certificates:** \n ```bash\n sudo apt install certbot python3-certbot-nginx\n sudo certbot --nginx -d chat.example.com\n ```\n5) Visit `https://chat.example.com`.\n\n## Path B — Caddy (auto-TLS, minimal config)\n1) DNS A record: `chat.example.com` → your public IP.\n2) Router: forward 80 & 443 to your server.\n3) Caddyfile:\n ```caddy\n chat.example.com {\n root * /path/to/ui\n encode gzip\n file_server\n\n handle_path /api/* {\n reverse_proxy 127.0.0.1:5001\n }\n handle_path /ws/* {\n reverse_proxy 127.0.0.1:5001\n }\n }\n ```\n4) `caddy run` (or as a service). Caddy obtains/renews Let’s Encrypt certs automatically. \n Visit `https://chat.example.com`.\n\n## Path C — Nginx Proxy Manager (GUI) or Traefik (Docker-native)\n- **Nginx Proxy Manager (NPM)** (nice web UI):\n - Run NPM via Docker, log in, **Add Proxy Host**:\n - Domain: `chat.example.com`\n - Forward Hostname/IP: `127.0.0.1`, Port: `8080`\n - **Websockets**: enable\n - **SSL**: request a Let’s Encrypt certificate, force HTTPS\n - If your backend is on a separate port, add a **Custom Location** for `/api` → `127.0.0.1:5001` (Websockets on if needed).\n- **Traefik** if you’re already in Docker Compose world (labels-based, also can auto-TLS).\n\n> No static IP? Consider **Cloudflare Tunnel** or **Tailscale Funnel** to skip router port-forwarding entirely.\n\n---\n\n# 4) Quick security checklist (internet-facing)\n- **HTTPS only** (force redirect from HTTP).\n- **Auth**: protect your UI (Basic Auth, OAuth, or at least a long passcode).\n- **Restrict admin endpoints** (don’t expose anything sensitive).\n- **Rate limiting** on `/api` if public.\n- **Set CORS** (if you ever split UI & API across domains).\n- **Keep secrets server-side** (API keys, model keys).\n\n---\n\n## TL;DR\n1) **LAN now:** run `python -m http.server 8080 --bind 0.0.0.0` in `ui` → open `http://<LAN_IP>:8080`. \n2) **Better dev UX:** put Caddy/Nginx in front to serve UI and proxy `/api` & `/ws`. \n3) **Go public:** point DNS → your IP, forward 80/443, and use Nginx+Certbot or Caddy (auto-TLS). \n4) **Harden** before exposing broadly.\n\nIf you want, tell me your backend’s port(s) and I’ll drop in a ready-to-paste config (Caddy or Nginx) tailored to your exact paths."
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}
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]
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} |