Docker 설치 (Ubuntu 20.04)

1. 업데이트 및 기본 설치 진행

 

sudo apt-get update

 

sudo apt-get -y install apt-transport-https ca-certificates curl gnupg lsb-release

 

2. Docker Official GPG Key 등록

 

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

 

3. Stable repository 등록

 

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

 

4. Docker 설치

 

sudo apt-get update

 

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

 

5. 설치 확인

 

docker -v