docker部署jenkins

如何使用docker部署Jenkins？按下面步骤走：

安装docker,mac用户可以使用

brew install docker

最好参照官网安装，一路next 2. 查看docker是否安装成功执行：

docker info

出现下面这样就是成功了

Server:
 Containers: 1
  Running: 1
  Paused: 0
  Stopped: 0
 Images: 30
 Server Version: 19.03.2
 Storage Driver: overlay2
  Backing Filesystem: extfs
  Supports d_type: true
  Native Overlay Diff: true
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: inactive
 Runtimes: runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 894b81a4b802e4eb2a91d1ce216b8817763c29fb
 runc version: 425e105d5a03fabd737a126ad93d62a9eeede87f
 init version: fec3683
 Security Options:
  seccomp
   Profile: default
 Kernel Version: 4.9.184-linuxkit
 Operating System: Docker Desktop
 OSType: linux
 Architecture: x86_64
 CPUs: 6
 Total Memory: 1.952GiB
 Name: docker-desktop
 ID: 3SL2:C77F:5JW2:IOHJ:SMTS
 ...

新建目录

mkdir jenkins

新建两个文件，分别是Dockerfile和docker-compose.yml 他们的区别可以看一下

Dockerfile

FROM openjdk:8-jdk

RUN apt-get update && apt-get install -y git curl && rm -rf /var/lib/apt/lists/*

ARG user=jenkins
ARG group=jenkins
ARG uid=1000
ARG gid=1000
ARG http_port=8080
ARG agent_port=50000

ENV JENKINS_HOME /var/jenkins_home
ENV JENKINS_SLAVE_AGENT_PORT ${agent_port}

# Jenkins is run with user `jenkins`, uid = 1000
# If you bind mount a volume from the host or a data container, 
# ensure you use the same uid
RUN groupadd -g ${gid} ${group} \
    && useradd -d "$JENKINS_HOME" -u ${uid} -g ${gid} -m -s /bin/bash ${user}

# Jenkins home directory is a volume, so configuration and build history 
# can be persisted and survive image upgrades
VOLUME /var/jenkins_home

# `/usr/share/jenkins/ref/` contains all reference configuration we want 
# to set on a fresh new installation. Use it to bundle additional plugins 
# or config file with your custom jenkins Docker image.
RUN mkdir -p /usr/share/jenkins/ref/init.groovy.d

ENV TINI_VERSION 0.14.0
ENV TINI_SHA 6c41ec7d33e857d4779f14d9c74924cab0c7973485d2972419a3b7c7620ff5fd

# Use tini as subreaper in Docker container to adopt zombie processes 
RUN curl -fsSL https://github.com/krallin/tini/releases/download/v${TINI_VERSION}/tini-static-amd64 -o /bin/tini && chmod +x /bin/tini \
  && echo "$TINI_SHA  /bin/tini" | sha256sum -c -

COPY init.groovy /usr/share/jenkins/ref/init.groovy.d/tcp-slave-agent-port.groovy

# jenkins version being bundled in this docker image
ARG JENKINS_VERSION
ENV JENKINS_VERSION ${JENKINS_VERSION:-2.60.3}

# jenkins.war checksum, download will be validated using it
ARG JENKINS_SHA=2d71b8f87c8417f9303a73d52901a59678ee6c0eefcf7325efed6035ff39372a

# Can be used to customize where jenkins.war get downloaded from
ARG JENKINS_URL=https://repo.jenkins-ci.org/public/org/jenkins-ci/main/jenkins-war/${JENKINS_VERSION}/jenkins-war-${JENKINS_VERSION}.war

# could use ADD but this one does not check Last-Modified header neither does it allow to control checksum 
# see https://github.com/docker/docker/issues/8331
RUN curl -fsSL ${JENKINS_URL} -o /usr/share/jenkins/jenkins.war \
  && echo "${JENKINS_SHA}  /usr/share/jenkins/jenkins.war" | sha256sum -c -

ENV JENKINS_UC https://updates.jenkins.io
ENV JENKINS_UC_EXPERIMENTAL=https://updates.jenkins.io/experimental
RUN chown -R ${user} "$JENKINS_HOME" /usr/share/jenkins/ref

# for main web interface:
EXPOSE ${http_port}

# will be used by attached slave agents:
EXPOSE ${agent_port}

ENV COPY_REFERENCE_FILE_LOG $JENKINS_HOME/copy_reference_file.log

USER ${user}

COPY jenkins-support /usr/local/bin/jenkins-support
COPY jenkins.sh /usr/local/bin/jenkins.sh
ENTRYPOINT ["/bin/tini", "--", "/usr/local/bin/jenkins.sh"]

# from a derived Dockerfile, can use `RUN plugins.sh active.txt` to setup /usr/share/jenkins/ref/plugins from a support bundle
COPY plugins.sh /usr/local/bin/plugins.sh
COPY install-plugins.sh /usr/local/bin/install-plugins.sh

docker-compose.yml:

version: '3'
services:
  jenkins:
    build: .
    image: 'jenkins/jenkins:lts' #镜像
    container_name: jenkins #容器名
    restart: always
    ports:
      - '127.0.0.1:2001:8080' #本机端口号：容器端口
      - '127.0.0.1:2002:50000'
    volumes:
      - '.:/var/jenkins_home' #数据持久目录,默认是当前目录

启动容器

docker-compose up -d

如果有报错的话，这个时候会提示，当有显示done时，就代表成功了。 6. 查看运行中容器

docker-compose ps

你会看到

Name                Command               State                          Ports                       
------------------------------------------------------------------------------------------------------
jenkins   /sbin/tini -- /usr/local/b ...   Up      127.0.0.1:2002->50000/tcp, 127.0.0.1:2001->8080/tcp

打开浏览器输入127.0.0.1:2001或者服务器ip+:2001