centos搭建docker及docker-compose

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

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

$ sudo yum install docker-ce -y

$ sudo systemctl start docker # 启动docker

$ sudo docker run hello-world # 第一个实例

$ docker -v
Docker version 19.03.1, build 74b1e89

$ sudo groupadd docker
$ sudo gpasswd -a ${USER} docker
$ sudo systemctl restart docker

$ docker ps -a # 不再需要加sudo

$ touch /etc/docker/daemon.json

{
  "registry-mirrors": ["https://ispjh7e6.mirror.aliyuncs.com"]
}

$ sudo curl -L "https://github.com/docker/compose/releases/download/1.24.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
$ sudo chmod +x /usr/local/bin/docker-compose
$ sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose

$ docker-compose -v
docker-compose version 1.24.1, build 4667896b