nginx.conf.example

# Sample nginx configuration for production
# This goes inside an nginx container that serves the frontend
# and proxies API requests to the backend container

server {
    listen 80;
    server_name localhost;
    
    # Root directory for frontend static files
    root /usr/share/nginx/html;
    index index.html;
    
    # API proxy to backend container
    location /api/ {
        proxy_pass http://backend:3000/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_cache_bypass $http_upgrade;
        
        # Important for cookies to work with credentials: include
        proxy_set_header Cookie $http_cookie;
        proxy_pass_header Set-Cookie;
    }
    
    # Socket.io / WebSocket support (for chat)
    location /socket.io/ {
        proxy_pass http://backend:3000/socket.io/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
    
    # Handle client-side routing - serve index.html for all routes
    location / {
        try_files $uri $uri/ /index.html;
    }
    
    # Cache static assets
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }
}