location /motech {
    proxy_set_header X-Forwarded-For $remote_addr;
    proxy_set_header X-Forwarded-Proto https;
    proxy_set_header Host $http_host;
    proxy_set_header Proxy "";
    proxy_redirect off;
    proxy_buffering off;
    proxy_read_timeout 90;
    proxy_connect_timeout 90;
    proxy_pass http://127.0.0.1:9081/motech;
}