CentOS Docker 安装

1:首先卸载docker的旧版本

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

2:安装所需的软件包

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

3:设置稳定仓库

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

阿里云仓库

sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

4:更新yum包索引

sudo yum makecache fast

5:安装Docker

sudo yum install docker-ce

6:安装指定版本docker

sudo yum install docker-ce-<VERSION>

7:启动docker

sudo systemctl start docker

8:验证docker是否安装成功

sudo docker run hello-world

9:Dockerfile

FROM java:8
VOLUME /tmp
ADD md5-query-web-1.0-SNAPSHOT.jar app.jar
RUN bash -c 'touch /app.jar'
EXPOSE 9000
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","app.jar"]

10:jar包放在Dockerfile相同目录下通过docker build创建镜像

CentOS Docker 安装

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