sudo apt-get update sudo apt-get install ca-certificates curl gnupg lsb-release # Docker 公式のGPG 鍵を追加 curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg # 安定版リポジトリを設定 echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \ $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null # パッケージの一覧を更新 sudo apt-get update # docker インストール sudo apt-get install docker-ce docker-ce-cli containerd.io # 正常にインストールできているか確認 docker -v # docker-compose sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose sudo chmod +x /usr/local/bin/docker-compose docker-compose -version # Docker 起動 sudo service docker start sudo docker run hello-world
