Linux nginx proxy_pass

Make port with basic http authentication for json requests

server {
    listen 3001;

    location /
    {
        access_log off;
        error_log /var/log/nginx/error_gateway.log;

        auth_basic "gateway";
        auth_basic_user_file /etc/nginx/gateway;

        default_type application/json;
        proxy_pass http://127.0.0.1:3000;
    }
}