server {
    listen 80;
    root /usr/share/nginx/html;
    index index.html;

    # SPA fallback — let React Router handle unknown paths
    location / {
        try_files $uri $uri/ /index.html;
    }

    # Proxy Ollama's API through the same origin so the browser never has to
    # make a cross-origin request and CORS is a non-issue.
    # In the app's Settings panel, set the Ollama base URL to just:
    #   http://<your-server>   (no port, no path suffix)
    location /api/ {
        proxy_pass         http://ollama:11434/api/;
        proxy_http_version 1.1;
        proxy_set_header   Host              $host;
        proxy_set_header   X-Real-IP         $remote_addr;
        proxy_set_header   X-Forwarded-For   $proxy_add_x_forwarded_for;

        # Ollama responses (especially streamed ones) can be large and slow;
        # disable buffering so cancellation works promptly.
        proxy_buffering    off;
        proxy_read_timeout 300s;
    }
}