<reponame>yngvark/Gridwalls2
# ------------------------------- JENKINS -------------------------------
# Taken from: https://github.com/jenkinsci/docker/blob/8d23b180d1a8afbcaab37f2a8167b5ace8632ec9/Dockerfile
# See also: https://hub.docker.com/_/jenkins/
# -----------------------------------------------------------------------
FROM openjdk:8-jdk

# -----------------------------------------------------------------------
# This RUN-line contains: 1st line is from jenkins. 2nd line is from docker. 3rd line is from jenkins.
# -----------------------------------------------------------------------
RUN apt-get update && apt-get install -y git curl \
	sudo ca-certificates curl openssl \
	&& rm -rf /var/lib/apt/lists/*


ENV JENKINS_HOME /var/jenkins_home
ENV JENKINS_SLAVE_AGENT_PORT 50000

ARG user=jenkins
ARG group=jenkins
ARG uid=1000
ARG gid=1000

# 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 0.13.2
ENV TINI_SHA afbf8de8a63ce8e4f18cb3f34dfdbbd354af68a1

# 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" | sha1sum -c -

COPY jenkins_repo/docker/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:-2.32.3}

# jenkins.war checksum, download will be validated using it
ARG JENKINS_SHA=a25b9a314ca9e76f9673da7309e1882e32674223

# 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" | sha1sum -c -

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

# for main web interface:
EXPOSE 8080

# will be used by attached slave agents:
EXPOSE 50000

ENV COPY_REFERENCE_FILE_LOG $JENKINS_HOME/copy_reference_file.log

USER ${user}

COPY jenkins_repo/docker/jenkins-support /usr/local/bin/jenkins-support
COPY jenkins_repo/docker/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 jenkins_repo/docker/plugins.sh /usr/local/bin/plugins.sh
COPY jenkins_repo/docker/install-plugins.sh /usr/local/bin/install-plugins.sh

# ------------------------------- DOCKER -------------------------------
# Purpose: To have docker available from the jenkins image.
# Taken from: https://github.com/docker-library/docker/blob/bf822e2b9b4f755156b825444562c9865f22557f/17.03/Dockerfile
# See also: https://hub.docker.com/_/docker/
# -----------------------------------------------------------------------
#RUN apt-g install -y sudo
#RUN sudo apt-get install -y ca-certificates curl openssl
#RUN apk add --no-cache \
		#ca-certificates \
		#curl \
		#openssl

ENV DOCKER_BUCKET get.docker.com
ENV DOCKER_VERSION 17.03.0-ce
ENV DOCKER_SHA256 4a9766d99c6818b2d54dc302db3c9f7b352ad0a80a2dc179ec164a3ba29c2d3e

RUN set -x \
	&& curl -fSL "https://${DOCKER_BUCKET}/builds/Linux/x86_64/docker-${DOCKER_VERSION}.tgz" -o docker.tgz \
	&& echo "${DOCKER_SHA256} *docker.tgz" | sha256sum -c - \
	&& tar -xzvf docker.tgz \
	&& sudo mv docker/* /usr/local/bin/ \
	&& sudo rmdir docker \
	&& sudo rm docker.tgz \
	&& docker -v

COPY docker_repo/docker/docker-entrypoint.sh /usr/local/bin/

