server {
    listen 80;
    server_name localhost;
    client_max_body_size 500M;
    
    # Serve static assets
    location / {
        root /usr/share/nginx/html;
        index index.html index.htm;
        try_files $uri $uri/ /index.html;
    }
    
    # Proxy API requests to backend
    location /api/ {
        proxy_pass http://api:3005;
        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_cache_bypass $http_upgrade;
    }
    
    # Proxy /uploads to backend
    location /uploads/ {
        proxy_pass http://api:3005;
        proxy_set_header Host $host;
    }
}