To install Docker run the command:
curl -sSL https://get.docker.com/ | sudo sh
Check version if working correctly:
docker --version
Note, Docker will also install Docker Compose, but incase its missing you can execute the following code:
sudo apt install docker-compose-plugin
If you need to uninstall Docker Completely, find installed docker modules
dpkg -l | grep -i docker
Then uninstall all (Example)
sudo apt-get purge -y docker-engine docker docker.io docker-ce docker-ce-cli docker-compose-plugin docker-buildx-plugin docker-ce-rootless-extras docker-scan-plugin
sudo apt-get autoremove -y --purge docker-engine docker docker.io docker-ce docker-compose-plugin docker-buildx-plugin docker-ce-rootless-extras docker-scan-plugin
Thereafter, remove docker folders, files, and group
sudo rm -rf /var/lib/docker /etc/docker
sudo rm /etc/apparmor.d/docker
sudo rm /usr/local/bin/docker-compose
sudo rm /etc/docker
sudo groupdel docker
sudo rm -rf /var/run/docker.sock