CentOS 8 に Docker CE と docker-compose をインストール

# Install Docker CE sudo curl https://download.docker.com/linux/centos/docker-ce.repo -o /etc/yum.repos.d/docker-ce.repo sudo yum makecache sudo dnf -y install docker-ce --nobest sudo systemctl enable --now docker # Install docker-compose # see: https://github.com/docker/compose/releases curl -L https://github.com/docker/compose/releases/download/1.25.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose chmod +x /usr/local/bin/docker-compose # Add current user to docker gruop # (After this, you run "newgrp docker" to use the docker commands without sudo.) sudo usermod -aG docker $USER # Enable IP masquerade firewall-cmd --zone=public --add-masquerade firewall-cmd --runtime-to-permanent # daemon.json cat <<EOF >/etc/docker/daemon.json { "bip": "192.168.99.1/24", "default-address-pools":[ { "base":"192.168.98.0/24", "size":28 } ], "log-opts":{ "max-size": "1m", "max-file": "3" } } EOF # start docker daemon sudo systemctl enable --now docker