도커 설치하기

• Ubuntu 20.04
• 도커 설치 관련 매뉴얼
  https://docs.docker.com/engine/install/ubuntu/

설치

$ sudo apt-get update
$ sudo apt-get install \
   apt-transport-https \
   ca-certificates \
   curl \
   gnupg \
   lsb-release
    
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
$ echo \
  "deb [arch=amd64 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-get update
$ sudo apt-get install docker-ce docker-ce-cli containerd.io
$ sudo docker run hello-world

도커 시작!

$ sudo service docker start