markdown Docker CoreOS

Posted 2021-05-05

Enable Docker on system startup:
```
sudo systemctl enable docker.service
```

Install docker-compose (change `1.19.0` to latest version):
```
sudo su -
mkdir -p /opt/bin
curl -L "https://github.com/docker/compose/releases/download/1.19.0/docker-compose-$(uname -s)-$(uname -m)" -o /opt/bin/docker-compose
chmod +x /opt/bin/docker-compose
```