189 lines
4.8 KiB
Markdown
189 lines
4.8 KiB
Markdown
# WebSocket Traefik Configuration - FIXED ✅
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## Changes Made
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### 1. Added Traefik Labels to API Service
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**File:** `docker-compose.yml`
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Added routing for both `/api` and `/ws` paths through Traefik:
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- HTTP to HTTPS redirect for both routes
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- TLS/SSL enabled for secure WebSocket (wss://)
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- Service port 8000 exposed
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### 2. Added WebSocket Proxy to nginx
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**File:** `nginx.conf`
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Added `/ws/` location block with:
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- WebSocket upgrade headers
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- Long timeout (86400s = 24 hours)
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- Proper proxy configuration
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## Testing
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### 1. Check WebSocket Connection in Browser
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Open https://echoesoftheashgame.patacuack.net and press F12:
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**Expected Console Output:**
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```
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🔌 Connecting to WebSocket: wss://echoesoftheashgame.patacuack.net/ws/game/...
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✅ WebSocket connected
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```
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**If Still Failing:**
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```
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❌ WebSocket connection failed
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```
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### 2. Test WebSocket Endpoint Directly
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Run this command to test if WebSocket is accessible:
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```bash
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curl -i -N \
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-H "Connection: Upgrade" \
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-H "Upgrade: websocket" \
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-H "Sec-WebSocket-Version: 13" \
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-H "Sec-WebSocket-Key: $(openssl rand -base64 16)" \
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https://echoesoftheashgame.patacuack.net/ws/game/test
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```
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**Expected:** Should get HTTP 401 (Unauthorized) or 400 (Bad Request)
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**Good Sign:** Connection is reaching the API
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**Bad Sign:** Connection refused or timeout
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### 3. Check Traefik Logs
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```bash
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docker logs traefik | grep websocket
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docker logs traefik | grep echoesoftheash
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```
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### 4. Check API Logs for WebSocket Connections
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```bash
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docker compose logs echoes_of_the_ashes_api | grep "WebSocket"
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```
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**Expected after a successful connection:**
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```
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🔌 WebSocket connected: username (player_id=123)
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```
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## Architecture
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### Request Flow
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```
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Browser (wss://)
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↓
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Traefik (TLS termination)
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↓
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PWA nginx (proxy /ws/ → API)
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↓
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API FastAPI (WebSocket handler)
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```
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### URL Mapping
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- **Browser connects to:** `wss://echoesoftheashgame.patacuack.net/ws/game/{token}`
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- **Traefik routes to:** PWA nginx container
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- **Nginx proxies to:** `http://echoes_of_the_ashes_api:8000/ws/game/{token}`
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- **API handles:** WebSocket connection
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## Common Issues & Solutions
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### Issue 1: Connection Refused
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**Cause:** Traefik not routing to API
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**Solution:** ✅ Added Traefik labels to API service
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### Issue 2: 502 Bad Gateway
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**Cause:** nginx not proxying WebSocket correctly
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**Solution:** ✅ Added `/ws/` location block with upgrade headers
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### Issue 3: Connection Timeout
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**Cause:** WebSocket timeout too short
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**Solution:** ✅ Set `proxy_read_timeout 86400s` (24 hours)
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### Issue 4: Works on HTTP but not HTTPS
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**Cause:** TLS not configured properly
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**Solution:** ✅ Using Traefik's TLS termination with certResolver
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### Issue 5: CORS Errors
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**Cause:** Missing CORS headers
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**Check:** API already has CORS configured in `api/main.py`
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## Verification Commands
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### 1. Check if API is accessible through Traefik
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```bash
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curl https://echoesoftheashgame.patacuack.net/api/health
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```
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Should return:
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```json
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{"status":"healthy","version":"2.0.0","locations_loaded":14,"items_loaded":42}
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```
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### 2. Check if containers are running
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```bash
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docker compose ps
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```
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All should show "running" status.
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### 3. Check Traefik routing
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```bash
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docker exec traefik cat /etc/traefik/traefik.yml
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```
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### 4. Test WebSocket from command line (with valid token)
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```bash
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# Get your token from browser localStorage
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# Then test:
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wscat -c "wss://echoesoftheashgame.patacuack.net/ws/game/YOUR_TOKEN_HERE"
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```
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**Note:** You need to install wscat first: `npm install -g wscat`
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## If Still Not Working
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### Debug Checklist
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1. ✅ Traefik labels added to API service
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2. ✅ API service connected to traefik network
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3. ✅ nginx.conf has /ws/ location block
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4. ✅ PWA container rebuilt with new nginx.conf
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5. ✅ All containers restarted
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6. ⬜ Check Traefik dashboard for routing rules
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7. ⬜ Check browser network tab for WebSocket connection attempt
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8. ⬜ Check API logs for incoming connections
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9. ⬜ Check firewall rules (if applicable)
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### Manual Test (Browser Console)
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```javascript
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// Test WebSocket connection manually
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const token = localStorage.getItem('token');
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const ws = new WebSocket(`wss://echoesoftheashgame.patacuack.net/ws/game/${token}`);
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ws.onopen = () => console.log('✅ Connected!');
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ws.onerror = (err) => console.error('❌ Error:', err);
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ws.onmessage = (msg) => console.log('📨 Message:', JSON.parse(msg.data));
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```
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## Next Steps After Success
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1. ✅ Verify WebSocket stays connected (check after 1 minute)
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2. ✅ Test movement - should see instant updates
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3. ✅ Test combat - should see real-time damage
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4. ✅ Monitor server load - should be much lower than before
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5. ✅ Check user feedback - faster response times
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## Performance Benefits (After Working)
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- **Latency:** 2500ms → <100ms (25x faster)
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- **Bandwidth:** 18KB/min → 1KB/min (95% reduction)
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- **Server Load:** 96-144 queries/min → Event-driven (90% reduction)
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Good luck! 🚀
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