how to install docker & docker-compose(docker 설치)

환경

CentOS 7 Linux icinga2-docker 3.10.0-957.1.3.el7.x86_64 #1 SMP Thu Nov 29 14:49:43 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

docker 설치

root 권한으로 설치

$ curl -fsSL https://get.docker.com/ | sudo sh

• 버전확인

$ docker version

Client:
 Version:           18.09.5
 API version:       1.39
 Go version:        go1.10.8
 Git commit:        e8ff056
 Built:             Thu Apr 11 04:43:34 2019
 OS/Arch:           linux/amd64
 Experimental:      false

Server: Docker Engine - Community
 Engine:
  Version:          18.09.5
  API version:      1.39 (minimum version 1.12)
  Go version:       go1.10.8
  Git commit:       e8ff056
  Built:            Thu Apr 11 04:13:40 2019
  OS/Arch:          linux/amd64
  Experimental:     false

Client와 Server 정보가 정상적으로 출력되어야 한다.
Server 정보가 안나오고 Error response from daemon: Bad response from Docker engine이라는 메시지가 출력되는 경우는 보통 docker daemon이 정상적으로 실행되지 않았거나 sudo를 입력하지 않은 경우

docker compose 설치

docker 설정 관리 툴

$ yum install -y python-pip

$ pip install docker-compose

$ chmod +x /usr/local/bin/docker-compose

$ docker-compose version
docker-compose version 1.24.0, build 0aa5906
docker-py version: 3.7.2
CPython version: 2.7.5
OpenSSL version: OpenSSL 1.0.2k-fips  26 Jan 2017

참고

Use the Docker command line