step1:

sudo apt-get autoremove docker docker-ce docker-engine  docker.io  containerd runc

step2:

dpkg -l | grep docker

step3:

dpkg -l |grep ^rc|awk '{print $2}' |sudo xargs dpkg -P

step4:

sudo apt-get autoremove docker-ce-*

step5:

sudo rm -rf /etc/systemd/system/docker.service.d
sudo rm -rf /var/lib/docker

check:

docker --version