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centos7下的docker和docker-compose搭建

如果已安裝較舊的Docker版本這些程式,請解除安裝它們以及相關的依賴項:

sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine
           

使用存儲庫安裝:

安裝所需的軟體包。yum-utils提供了yum-config-manager 效用

device-mapper-persistent-data 和 lvm2需要 devicemapper存儲驅動程式

sudo yum install -y yum-utils \
  device-mapper-persistent-data \
  lvm2
           

使用以下指令來設定穩定的存儲庫:

sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo
           

安裝最新版本的Docker:

sudo yum install docker-ce docker-ce-cli containerd.io
           

啟動Docker:

sudo systemctl start docker
           

安裝Docker Compose:

yum -y install -y epel-release	#安裝pip需要先安裝epel-release包

yum install -y python-pip	#安裝pip

pip install --upgrade pip	#更新pip

pip install docker-compose #安裝docker-compose

docker-compose -v	#檢視docker-compose的版本
           

如果docker-compose報錯:

Traceback (most recent call last):  
  File "/usr/bin/docker-compose", line 5, in <module>  
    from pkg_resources import load_entry_point  
  File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 3011, in <module>  
    parse_requirements(__requires__), Environment()  
  File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 626, in resolve  
    raise DistributionNotFound(req)  
pkg_resources.DistributionNotFound: backports.ssl-match-hostname>=3.5
           

輸入:

pip install --upgrade backports.ssl_match_hostname
           

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