nginx.example.conf

    server {
        server_name STATIC_IP_ADDRESS_OF_VM;

        location / {
            include proxy_params;
            proxy_pass http://127.0.0.1:8080;
        }

        location /swagger {
            include proxy_params;
            proxy_pass http://127.0.0.1:8080;
        }

        location /api {
            include proxy_params;
            proxy_pass http://127.0.0.1:8080;
        }

        location /notify {
            proxy_pass http://127.0.0.1:8080;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header Host $host;
            proxy_cache_bypass $http_upgrade;
        }
    }