docker installation on ubuntu/focal

docker-install.sh

# curl -L https://gist.githubusercontent.com/hellt/e8095c1719a3ea0051165ff282d2b62a/raw/1dffb71d0495bb2be953c489cd06a25656d974a4/docker-install.sh | sudo bash
sudo apt-get remove docker docker-engine docker.io containerd runc

sudo apt-get update

sudo apt-get install -y \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"

sudo apt-get update
sudo apt-get install -y docker-ce docker-ce-cli containerd.io