FROM java:openjdk-7u65-jdk

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

ENV JENKINS_VERSION 1.565.3

# `/usr/share/jenkins/ref/` contains all reference configuraiton 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

# Jenkins is ran with user `jenkins`, uid = 1000
# If you bind mount a volume from host/vloume from a data container, 
# ensure you use same uid
RUN useradd -d /home/jenkins -m -u 1000 -s /bin/bash jenkins

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

# could use ADD but this one does not check Last-Modified header - see https://github.com/docker/docker/issues/8331
RUN curl -L http://mirrors.jenkins-ci.org/war-stable/$JENKINS_VERSION/jenkins.war -o /usr/share/jenkins/jenkins.war

ENV JENKINS_HOME /var/jenkins_home
ENV JENKINS_UC https://updates.jenkins-ci.org
RUN usermod -m -d "$JENKINS_HOME" jenkins && chown -R jenkins "$JENKINS_HOME" /usr/share/jenkins/ref
VOLUME /var/jenkins_home

# for main web interface:
EXPOSE 8080

# will be used by attached slave agents:
EXPOSE 50000

USER jenkins

COPY jenkins.sh /usr/local/bin/jenkins.sh
ENTRYPOINT ["/usr/local/bin/jenkins.sh"]

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