Manage Docker

// To install
dockerVersion=$(curl -sL https://download.docker.com/linux/static/stable/x86_64 | grep -ioP '\d\d\.\d\.\d' | sort -rV | head -n 1)
composeVersion=$(curl -sL https://api.github.com/repos/docker/compose/releases | grep -ioP 'v\d\.\d\d\.\d' | sort -rV | head -n 1)
DOCKER_CONFIG=/root/.docker

wget https://download.docker.com/linux/static/stable/x86_64/docker-$dockerVersion.tgz
gunzip docker-$dockerVersion.tgz
tar xvf docker-$dockerVersion.tar
mv docker/* /usr/bin
rm -r docker*

mkdir -p $DOCKER_CONFIG/cli-plugins
wget https://github.com/docker/compose/releases/download/$composeVersion/docker-compose-linux-x86_64 -O $DOCKER_CONFIG/cli-plugins/docker-compose
chmod +x $DOCKER_CONFIG/cli-plugins/docker-compose

cat << EOF > /etc/systemd/system/docker.service
[Unit]
Description=Docker
After=network.target
Wants=network-online.target

[Service]
Restart=always
Type=simple
ExecStart=/usr/bin/dockerd
WorkingDirectory=
Environment=

[Install]
WantedBy=multi-user.target
EOF

systemctl enable docker
systemctl start docker

// To uninstall
systemctl stop docker
rm /etc/systemd/system/docker.service
systemctl daemon reload

rm /usr/bin/containerd /usr/bin/containerd-shim-runc-v2 /usr/bin/ctr /usr/bin/docker /usr/bin/dockerd /usr/bin/docker-init /usr/bin/docker-proxy /usr/bin/log /usr/bin/runc