server {
    listen 443 ssl;
    http2 on;
    server_name sta.wbd-rd.nl;

    ssl_certificate     /etc/letsencrypt/live/infra/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/infra/privkey.pem;

    # FROST REST + admin UI
    location /FROST-Server {
        proxy_pass http://frost-http:8080;
        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_read_timeout 60s;
    }

    # SensorThings MQTT-over-WebSocket
    location /mqtt {
        proxy_pass http://frost-mqtt:9876;
        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;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Upgrade           $http_upgrade;
        proxy_set_header Connection        "upgrade";
        proxy_read_timeout 3600s;          # long-lived MQTT WS sessions
        proxy_send_timeout 3600s;
    }

    # Root redirects to the REST UI for convenience
    location = / {
        return 302 /FROST-Server/;
    }
}