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We saw in a previous posts how to prepare a Jenkins server for a php countinous integration. int his post we try to configure a docker server and containers for lunching the jenkins job on the slave.

Install Docker

Be feeling tutorial on https://docs.docker.com/engine/installation/linux/ubuntulinux/

Prepare PHP Slave

# This Dockerfile is used to build an image containing basic stuff to be used as a Jenkins slave build node.
FROM ubuntu:trusty
MAINTAINER Wicem KERKENI "myemail"

# Make sure the package repository is up to date.
RUN apt-get update && \
        apt-get -y upgrade

# Install a basic SSH server
RUN apt-get install -y openssh-server
RUN sed -i 's|session    required     pam_loginuid.so|session    optional     pam_loginuid.so|g' /etc/pam.d/sshd
RUN mkdir -p /var/run/sshd

# Install a JDK
RUN apt-get update && \
    apt-get install -y software-properties-common python-software-properties unzip wget && \
    echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | debconf-set-selections && \
    add-apt-repository -y ppa:webupd8team/java && \
    apt-get update && \
    apt-get install -y oracle-java8-installer && \
    apt-get clean

ENV JAVA_HOME /usr/lib/jvm/java-8-oracle

# Add SVN && GIT
RUN apt-get update && \
    apt-get install -y git subversion lsof && \
    apt-get clean

# Add Sonar Runner
RUN wget https://sonarsource.bintray.com/Distribution/sonar-scanner-cli/sonar-scanner-2.6.1.zip && \
    unzip /sonar-scanner-2.6.1.zip -d /opt/ && \
    rm -fr /sonar-scanner-2.6.1.zip
COPY ./sonar-scanner.properties /opt/sonar-scanner-2.6.1/conf/sonar-scanner.properties

# Install php5 delivered from trusty ubuntu repo
RUN apt-get update && \
    DEBIAN_FRONTEND=noninteractive apt-get install -y php5 curl php5-curl php5-xsl php5-sqlite php5-xdebug php5-sybase php5-json php5-mcrypt php5-memcache php5-mysql php5-readline php5-sqlite && \
    apt-get clean

#Install Extended tools
RUN apt-get update && \
    DEBIAN_FRONTEND=noninteractive apt-get install -y ant nodejs npm && \
    npm install -g bower && \
    ln -s /usr/bin/nodejs /usr/bin/node && \
    curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer && \
    apt-get clean


# Add user jenkins to the image
RUN adduser --quiet jenkins
# Set password for the jenkins user (you may want to alter this).
RUN echo "jenkins:jenkins" | chpasswd

# Standard SSH port
EXPOSE 22

Permit Docker service to bind on TCP in order to be contacted remotely (eg. by Jenkins). On Ubuntu Server you must change docker.service file.

vi /etc/systemd/system/multi-user.target.wants/docker.service

...
ExecStart=/usr/bin/docker daemon -H fd:// -H tcp://0.0.0.0:4243
....

systemctl daemon-reload
service docker restart

Build Image

docker build -t jenkinsslv-php5 .