centos7安裝docker

yum update
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
yum list docker-ce --showduplicates | sort -r
yum install docker-ce 

加入啓動

systemctl start docker
systemctl enable docker

驗證安裝完成

docker version

 鏡像安裝目錄

/var/lib/docker/image/ 

 

安裝openresty

docker pull openresty/openresty

#-v參數，冒號前爲宿主機目錄，必須爲絕對路徑，冒號後爲鏡像內掛載的路徑；指定爲只讀能夠用：ro
docker run -d --name="nginx" -p 8080:80 -v /data/openresty/nginx/conf/nginx.conf:/usr/local/openresty/nginx/conf/nginx.conf:ro -v /data/openresty/nginx/logs:/usr/local/openresty/nginx/logs openresty/openresty

docker kill nginx && docker rm nginx