Rebuild Dockerfile in alpine style with dedicated entrypoint script

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Dave Chevell 2017-08-26 08:52:43 +10:00
parent 3803ee15f5
commit db7fed8ea6
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2 changed files with 59 additions and 66 deletions

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FROM java:openjdk-8-jre
MAINTAINER Atlassian Confluence
FROM openjdk:8u121-alpine
MAINTAINER Dave Chevell
# Setup useful environment variables
ENV CONFLUENCE_HOME /var/atlassian/application-data/confluence
ENV CONFLUENCE_INSTALL /opt/atlassian/confluence
ENV CONF_VERSION 6.3.3
LABEL Description="This image is used to start Atlassian Confluence" Vendor="Atlassian" Version="${CONF_VERSION}"
ENV CONFLUENCE_DOWNLOAD_URL http://www.atlassian.com/software/confluence/downloads/binary/atlassian-confluence-${CONF_VERSION}.tar.gz
ENV MYSQL_VERSION 5.1.38
ENV MYSQL_DRIVER_DOWNLOAD_URL http://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-java-${MYSQL_VERSION}.tar.gz
# Use the default unprivileged account. This could be considered bad practice
# on systems where multiple processes end up being executed by 'daemon' but
# here we only ever run one process anyway.
ENV RUN_USER daemon
ENV RUN_GROUP daemon
# https://confluence.atlassian.com/display/JSERVERM/Important+directories+and+files
ENV CONFLUENCE_HOME /var/atlassian/application-data/confluence
ENV CONFLUENCE_INSTALL_DIR /opt/atlassian/confluence
# Install Atlassian Confluence and helper tools and setup initial home
# directory structure.
# dumb-init is used to give proper signal handling to the app inside Docker
RUN set -x \
&& apt-get update --quiet \
&& apt-get install --quiet --yes --no-install-recommends libtcnative-1 xmlstarlet \
&& apt-get clean \
&& wget -nv -O /usr/local/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64 \
&& chmod +x /usr/local/bin/dumb-init \
&& mkdir -p "${CONFLUENCE_HOME}" \
&& chmod -R 700 "${CONFLUENCE_HOME}" \
&& chown ${RUN_USER}:${RUN_GROUP} "${CONFLUENCE_HOME}" \
&& mkdir -p "${CONFLUENCE_INSTALL}/conf" \
&& curl -Ls "${CONFLUENCE_DOWNLOAD_URL}" | tar -xz --directory "${CONFLUENCE_INSTALL}" --strip-components=1 --no-same-owner \
&& curl -Ls "${MYSQL_DRIVER_DOWNLOAD_URL}" | tar -xz --directory "${CONFLUENCE_INSTALL}/confluence/WEB-INF/lib" --strip-components=1 --no-same-owner "mysql-connector-java-${MYSQL_VERSION}/mysql-connector-java-${MYSQL_VERSION}-bin.jar" \
&& chmod -R 700 "${CONFLUENCE_INSTALL}/conf" \
&& chmod -R 700 "${CONFLUENCE_INSTALL}/temp" \
&& chmod -R 700 "${CONFLUENCE_INSTALL}/logs" \
&& chmod -R 700 "${CONFLUENCE_INSTALL}/work" \
&& chown -R ${RUN_USER}:${RUN_GROUP} "${CONFLUENCE_INSTALL}/conf" \
&& chown -R ${RUN_USER}:${RUN_GROUP} "${CONFLUENCE_INSTALL}/temp" \
&& chown -R ${RUN_USER}:${RUN_GROUP} "${CONFLUENCE_INSTALL}/logs" \
&& chown -R ${RUN_USER}:${RUN_GROUP} "${CONFLUENCE_INSTALL}/work" \
&& echo -e "\nconfluence.home=${CONFLUENCE_HOME}" >> "${CONFLUENCE_INSTALL}/confluence/WEB-INF/classes/confluence-init.properties" \
&& xmlstarlet ed --inplace \
--delete "Server/@debug" \
--delete "Server/Service/Connector/@debug" \
--delete "Server/Service/Connector/@useURIValidationHack" \
--delete "Server/Service/Connector/@minProcessors" \
--delete "Server/Service/Connector/@maxProcessors" \
--delete "Server/Service/Engine/@debug" \
--delete "Server/Service/Engine/Host/@debug" \
--delete "Server/Service/Engine/Host/Context/@debug" \
"${CONFLUENCE_INSTALL}/conf/server.xml" \
&& touch -d "@0" "${CONFLUENCE_INSTALL}/conf/server.xml"
VOLUME ["${CONFLUENCE_HOME}"]
# Use the default unprivileged account. This could be considered bad practice
# on systems where multiple processes end up being executed by 'daemon' but
# here we only ever run one process anyway.
USER ${RUN_USER}:${RUN_GROUP}
# Expose default HTTP connector port.
# Expose HTTP and Synchrony ports
EXPOSE 8090
EXPOSE 8091
# Set volume mount points for installation and home directory. Changes to the
# home directory needs to be persisted as well as parts of the installation
# directory due to eg. logs.
VOLUME ["${CONFLUENCE_INSTALL}", "${CONFLUENCE_HOME}"]
WORKDIR $CONFLUENCE_HOME
# Set the default working directory as the Confluence installation directory.
WORKDIR ${CONFLUENCE_INSTALL}
CMD ["/entrypoint.sh", "-fg"]
ENTRYPOINT ["/sbin/tini", "--"]
# Run Atlassian Confluence as a foreground process by default.
CMD ["/usr/local/bin/dumb-init", "./bin/catalina.sh", "run"]
RUN apk update -qq \
&& update-ca-certificates \
&& apk add ca-certificates wget curl openssh bash procps openssl perl ttf-dejavu tini \
&& rm -rf /var/lib/{apt,dpkg,cache,log}/ /tmp/* /var/tmp/*
COPY entrypoint.sh /entrypoint.sh
ARG CONFLUENCE_VERSION=6.3.3
ARG DOWNLOAD_URL=http://www.atlassian.com/software/confluence/downloads/binary/atlassian-confluence-${CONFLUENCE_VERSION}.tar.gz
COPY . /tmp
RUN mkdir -p ${CONFLUENCE_INSTALL_DIR} \
&& curl -L --silent ${DOWNLOAD_URL} | tar -xz --strip-components=1 -C "$CONFLUENCE_INSTALL_DIR" \
&& chown -R ${RUN_USER}:${RUN_GROUP} ${CONFLUENCE_INSTALL_DIR}/ \
&& sed -i -e 's/-Xms\([0-9]\+[kmg]\) -Xmx\([0-9]\+[kmg]\)/-Xms\${JVM_MINIMUM_MEMORY:=\1} -Xmx\${JVM_MAXIMUM_MEMORY:=\2} \${JVM_SUPPORT_RECOMMENDED_ARGS}/g' ${CONFLUENCE_INSTALL_DIR}/bin/setenv.sh \
&& sed -i -e 's/port="8090"/port="8090" secure="${catalinaConnectorSecure}" scheme="${catalinaConnectorScheme}" proxyName="${catalinaConnectorProxyName}" proxyPort="${catalinaConnectorProxyPort}"/' ${CONFLUENCE_INSTALL_DIR}/conf/server.xml

32
entrypoint.sh Executable file
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#!/bin/bash
set -euo pipefail
# Setup Catalina Opts
: ${CATALINA_CONNECTOR_PROXYNAME:=}
: ${CATALINA_CONNECTOR_PROXYPORT:=}
: ${CATALINA_CONNECTOR_SCHEME:=http}
: ${CATALINA_CONNECTOR_SECURE:=false}
: ${CATALINA_OPTS:=}
: ${JAVA_OPTS:=}
CATALINA_OPTS="${CATALINA_OPTS} -DcatalinaConnectorProxyName=${CATALINA_CONNECTOR_PROXYNAME}"
CATALINA_OPTS="${CATALINA_OPTS} -DcatalinaConnectorProxyPort=${CATALINA_CONNECTOR_PROXYPORT}"
CATALINA_OPTS="${CATALINA_OPTS} -DcatalinaConnectorScheme=${CATALINA_CONNECTOR_SCHEME}"
CATALINA_OPTS="${CATALINA_OPTS} -DcatalinaConnectorSecure=${CATALINA_CONNECTOR_SECURE}"
export JAVA_OPTS="${JAVA_OPTS} ${CATALINA_OPTS}"
# Start Bamboo as the correct user
if [ "${UID}" -eq 0 ]; then
echo "User is currently root. Will change directories to daemon control, then downgrade permission to daemon"
mkdir -p "${CONFLUENCE_HOME}/lib" &&
chmod -R 700 "${CONFLUENCE_HOME}" &&
chown -R "${RUN_USER}:${RUN_GROUP}" "${CONFLUENCE_HOME}"
# Now drop privileges
exec su -s /bin/bash "${RUN_USER}" -c "$CONFLUENCE_INSTALL_DIR/bin/start-confluence.sh $@"
else
exec "$CONFLUENCE_INSTALL_DIR/bin/start-confluence.sh" "$@"
fi