ubuntu 22.04 dockerインストールワンライナー
code:install.sh
for pkg in docker.io docker-doc docker-compose podman-docker containerd runc; do sudo apt -y remove $pkg; done && sudo apt -y update && sudo apt -y install ca-certificates curl gnupg && sudo install -m 0755 -d /etc/apt/keyrings && curl -fsSL
https://download.docker.com/linux/ubuntu/gpg
| sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg && sudo chmod a+r /etc/apt/keyrings/docker.gpg && echo "deb
arch=\"$(dpkg --print-architecture)\" signed-by=/etc/apt/keyrings/docker.gpg
https://download.docker.com/linux/ubuntu
$(. /etc/os-release && echo "$VERSION_CODENAME") stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null && sudo apt -y update && sudo apt -y install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
https://docs.docker.com/engine/install/ubuntu/
もし,dockerコマンドがsudo必須の場合は下記
linux user