`kobo-install` on a fresh Ubuntu 18.04 LTS VPS

I am trying to install days ago and it always gives me errors. You can help me?

Already on ‘master’
From https://github.com/kobotoolbox/kobo-docker

  • branch master -> FETCH_HEAD
    Creating network “nginx-certbot_default” with the default driver
    Pulling certbot (certbot/certbot:)…
    Pulling nginx (nginx:1.15-alpine)…
    Creating nginx-certbot_nginx_1 … done
    Error response from daemon: Container 5d3e20d604eb76503b09b8f3ca995263afadb02a099e331b13de6ab1e0571f11 is restarting, wait until the container is running
    An error has occurred
    kobo@kobo-salta:~/kobo-install$