# 使用linux:alpine,jdk:oracle jdk-1.8版本
FROM frolvlad/alpine-java:jdk8-slim

# 维护人员
MAINTAINER sdevil507

# 切换alpine镜像源为阿里云
RUN echo -e "http://mirrors.aliyun.com/alpine/latest-stable/main\n\
http://mirrors.aliyun.com/alpine/latest-stable/community" > /etc/apk/repositories

# 安装bash,git,curl,gnupg(gpg命令),libltdl(重要:调用宿主机docker命令必须),tzdata
RUN apk --update add bash git curl gnupg libltdl tzdata libstdc++\
  # 设置时区为东八区(上海)
  && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
  && echo "Asia/Shanghai" > /etc/timezone \
  && apk del tzdata \
  && rm -rf /var/cache/apk/*

ARG user=jenkins
ARG group=jenkins
ARG uid=1000
ARG gid=1000
ARG http_port=8080
ARG agent_port=50000
ARG JENKINS_HOME=/var/jenkins_home

ENV JENKINS_HOME $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 mkdir -p $JENKINS_HOME \
  && chown ${uid}:${gid} $JENKINS_HOME \
  && addgroup -g ${gid} -S ${group} \
  && adduser ${user} -u ${uid} -G ${group} -h "$JENKINS_HOME" -S -s /bin/bash 

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

# Use tini as subreaper in Docker container to adopt zombie processes
ARG TINI_VERSION=v0.16.1
COPY tini_pub.gpg ${JENKINS_HOME}/tini_pub.gpg
RUN curl -fsSL https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini-static-amd64 -o /sbin/tini \
  && curl -fsSL https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini-static-amd64.asc -o /sbin/tini.asc \
  && gpg --no-tty --import ${JENKINS_HOME}/tini_pub.gpg \
  && gpg --verify /sbin/tini.asc \
  && rm -rf /sbin/tini.asc /root/.gnupg \
  && chmod +x /sbin/tini

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

# 永远设置下载最新版本jenkins.war
ENV JENKINS_VERSION ${JENKINS_VERSION:-latest}

# 将本地下载的最新jenkins.war拷贝至目录
COPY jenkins.war /usr/share/jenkins

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

# 下载maven并解压
RUN wget http://mirrors.hust.edu.cn/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz -P / \
  && tar -zxvf /apache-maven-3.6.3-bin.tar.gz \
  && rm -f /apache-maven-3.6.3-bin.tar.gz

# 修改为本地自定义的settings.xml
COPY settings.xml /apache-maven-3.6.3/conf

# 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
COPY tini-shim.sh /bin/tini
ENTRYPOINT ["/sbin/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