DigitalOcean User Data: Install Ningx, Docker CE and add GitHub SSH key

do-userdata-docker+nginx+github.sh

#!/bin/bash

apt-get -y update
apt-get -y install apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable"
apt-get -y update
apt-cache policy docker-ce
apt-get -y install docker-ce
export DOCKER_STATUS=$(systemctl status docker)

curl -L https://github.com/docker/compose/releases/download/1.24.1/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose
export DOCKER_COMPOSE_VERSION=$(docker-compose --version)

apt-get -y install nginx
apt-get -y install mc
apt-get -y install git

tee -a ~/.ssh/config > /dev/null << END
Host github.com
  HostName github.com
  IdentityFile ~/.ssh/github
  User git
END

tee -a ~/.ssh/github > /dev/null << END
-----BEGIN OPENSSH PRIVATE KEY-----
...
..
.
-----END OPENSSH PRIVATE KEY-----
END

chmod 400 ~/.ssh/github

ssh-keyscan github.com >> ~/.ssh/known_hosts

echo "docker status: $DOCKER_STATUS, docker-compose version: $DOCKER_COMPOSE_VERSION" > /var/www/html/index.html