dockerのインストール
$ sudo apt update
$ sudo apt install apt-transport-https ca-certificates curl software-properties-common
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
$ echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
$ sudo apt update
$ sudo apt-cache policy docker-ce
$ sudo apt install docker-ce
$ sudo systemctl status docker
$ sudo usermod -aG docker username
※dockerグループにユーザを追加して、sudoなしでdockerコマンドを実行できるようにする
$ docker run hello-world
docker compose のインストール
$ mkdir -p ~/.docker/cli-plugins/
$ curl -SL https://github.com/docker/compose/releases/download/v2.6.0/docker-compose-linux-x86_64 -o ~/.docker/cli-plugins/docker-compose
$ chmod +x ~/.docker/cli-plugins/docker-compose
$ docker compose version
