Ubuntu22.04: Docker 설치

패키지 업데이트 & 필수 패키지 설치

sudo apt update
sudo apt install -y apt-transport-https ca-certificates curl software-properties-common gnupg lsb-release

Docker 공식 GPG 키 추가

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker.gpg

Docker 저장소 추가

echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" \
  | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

Docker 설치

sudo apt update
sudo apt install -y docker-ce docker-ce-cli containerd.io

(선택) sudo 없이 docker 명령어 사용하기

sudo usermod -aG docker $USER
newgrp docker