nginx-reverse-proxy.conf

server {
        server_name my.api.com ;

        location / {
                 proxy_pass http://localhost:5000;
                 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;
        }
}