# Custom nginx config (used by the Dockerfile).
# Serves the static dashboard and proxies /api/chat to the Node API backend.

server {
    listen       80;
    server_name  _;

    root   /usr/share/nginx/html;
    index  index.html;

    # Generated data feed; refresh frequently.
    location = /data.json {
        add_header Cache-Control "no-cache" always;
    }

    # Open WebUI chat proxy.
    location /api/chat {
        proxy_pass         http://127.0.0.1:3001;
        proxy_http_version 1.1;
        proxy_set_header   Host $host;
        proxy_set_header   X-Real-IP $remote_addr;
        proxy_read_timeout 120s;
    }

    # GPU stats proxy (forwarded through the Node backend).
    location /api/gpu-stats {
        proxy_pass         http://127.0.0.1:3001;
        proxy_http_version 1.1;
        proxy_set_header   Host $host;
        proxy_read_timeout 15s;
    }

    # Ollama loaded-model stats proxy.
    location /api/ollama {
        proxy_pass         http://127.0.0.1:3001;
        proxy_http_version 1.1;
        proxy_set_header   Host $host;
        proxy_read_timeout 15s;
    }

    location / {
        try_files $uri $uri/ =404;
    }

    # Security headers
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;

    # Hide nginx version
    server_tokens off;

    access_log off;
    error_log /var/log/nginx/error.log warn;
}