events {
    worker_connections 1024;
}

http {
    # Proxy settings
    proxy_http_version 1.1;
    proxy_buffering off;
    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;

    # WebSocket support
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";

    # Timeouts for long-running image generation
    proxy_connect_timeout 300;
    proxy_send_timeout 300;
    proxy_read_timeout 300;
    send_timeout 300;

    server {
        listen 80;
        server_name _;

        # Increase client body size for image uploads
        client_max_body_size 100M;

        location / {
            # Proxy to ComfyUI on RunPod via Tailscale
            proxy_pass http://100.121.199.88:8188;

            # WebSocket upgrade
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";

            # Proxy headers
            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;

            # Disable buffering for real-time updates
            proxy_buffering off;
        }
    }
}