docker 설치 # 공식 사이트와 동일하다. $ sudo apt-get remove docker docker-engine docker.io containerd runc $ sudo apt-get update $ sudo apt-get install ca-certificates curl gnupg $ sudo mkdir -m 0755 -p /etc/apt/keyrings $ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg $ echo \ "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings..