new build

DOCKER_SETUP.md

@@ -125,21 +125,27 @@ docker stats
 
 ### Common Issues
 
-1. **Bot not connecting to Discord**
+1. **Docker build fails with npm ci error**
+   ```
+   npm error The `npm ci` command can only install with an existing package-lock.json
+   ```
+   **Solution:** The Dockerfile uses `npm install` instead of `npm ci` to work without a lock file.
+
+2. **Bot not connecting to Discord**
    - Verify `DISCORD_TOKEN` is correct
    - Check Discord bot permissions
    - Ensure bot is invited to the server
 
-2. **Backend not responding**
+3. **Backend not responding**
    - Verify `UPTIME_KUMA_URL` and `UPTIME_KUMA_API_KEY`
    - Check Uptime Kuma instance accessibility
    - Test API endpoint manually: `curl http://localhost:8080/back-end.php`
 
-3. **Permission errors**
+4. **Permission errors**
    - Ensure Docker has proper permissions
    - Check file ownership in mounted volumes
 
-4. **Container health checks failing**
+5. **Container health checks failing**
    - Check logs: `docker-compose logs`
    - Verify all environment variables are set
    - Test individual services