Dockerfile

FROM maven:3.3-jdk-8 AS app

RUN mkdir -p /code
WORKDIR /code
COPY ./ /code

ARG GIT_COMMIT=
ENV GIT_COMMIT ${GIT_COMMIT}

# Artifact caching for Multi-stage Builds : https://github.com/carlossg/docker-maven/issues/36
ENV MAVEN_OPTS=-Dmaven.repo.local=/root/.m2repo/

RUN mvn clean package -P nocheck

### Dist
FROM jetty:9.3-jre8-alpine AS dist

USER root

COPY ./etc/cas.properties ./etc/institutions-auth.xsl ./etc/log4j2.xml /etc/cas/
COPY ./etc/services /etc/cas/services
RUN mkdir -p /home/jetty \
    && chown -R jetty:jetty /home/jetty /etc/cas

USER jetty

COPY --from=app /code/cas-server-webapp/target/cas.war /var/lib/jetty/webapps/

RUN java -jar "$JETTY_HOME/start.jar" --add-to-startd=http-forwarded \
    && java -jar "$JETTY_HOME/start.jar" --add-to-startd=rewrite \
    && sed -i \
        -e "s|^osf.api.institutions.auth.xslLocation=.*|osf.api.institutions.auth.xslLocation=file:/etc/cas/institutions-auth.xsl|" \
        -e "s|^log4j.config.location=.*|log4j.config.location=file:/etc/cas/log4j2.xml|" \
        -e "s|^service.registry.config.location=.*|service.registry.config.location=file:/etc/cas/services|" \
        /etc/cas/cas.properties

RUN echo \
        '<?xml version="1.0" encoding="UTF-8"?> \
        <!DOCTYPE Configure PUBLIC \
            "-//Mort Bay Consulting//DTD Configure//EN" \
            "http://www.eclipse.org/jetty/configure_9_0.dtd"> \
        \
        <Configure class="org.eclipse.jetty.webapp.WebAppContext"> \
            <Set name="allowDuplicateFragmentNames">false</Set> \
            <Set name="contextPath">/</Set> \
            <Set name="war">/var/lib/jetty/webapps/cas.war</Set> \
        \
            <Call name="setAttribute"> \
                <Arg>org.eclipse.jetty.server.webapp.WebInfIncludeJarPattern</Arg> \
                <Arg>.*/spring-security[^/]*\.jar$|.*/spring-web[^/]*\.jar$|.*/classes/.*</Arg> \
            </Call> \
        \
            <Call name="insertHandler"> \
                <Arg> \
                    <New id="Rewrite" class="org.eclipse.jetty.rewrite.handler.RewriteHandler"> \
                        <Set name="rewriteRequestURI"><Property name="jetty.rewrite.rewriteRequestURI" deprecated="rewrite.rewriteRequestURI" default="true"/></Set> \
                        <Set name="rewritePathInfo"><Property name="jetty.rewrite.rewritePathInfo" deprecated="rewrite.rewritePathInfo" default="false"/></Set> \
                        <Set name="originalPathAttribute"><Property name="jetty.rewrite.originalPathAttribute" deprecated="rewrite.originalPathAttribute" default="requestedPath"/></Set> \
                        <Call name="addRule"> \
                            <Arg> \
                                <New class="org.eclipse.jetty.rewrite.handler.HeaderPatternRule"> \
                                    <Set name="pattern">/*</Set> \
                                    <Set name="name">Cache-Control</Set> \
                                    <Set name="value">no-cache,no-store,max-age=0,must-revalidate</Set> \
                                </New> \
                            </Arg> \
                        </Call> \
                        <Call name="addRule"> \
                            <Arg> \
                                <New class="org.eclipse.jetty.rewrite.handler.HeaderPatternRule"> \
                                    <Set name="pattern">/*</Set> \
                                    <Set name="name">Expires</Set> \
                                    <Set name="value">Mon, 01 Jan 1990 00:00:00 GMT</Set> \
                                </New> \
                            </Arg> \
                        </Call> \
                        <Call name="addRule"> \
                            <Arg> \
                                <New class="org.eclipse.jetty.rewrite.handler.HeaderPatternRule"> \
                                    <Set name="pattern">/*</Set> \
                                    <Set name="name">Pragma</Set> \
                                    <Set name="value">no-cache</Set> \
                                </New> \
                            </Arg> \
                        </Call> \
                    </New> \
                </Arg> \
            </Call> \
        </Configure>' >> /var/lib/jetty/webapps/cas.xml

CMD ["java","-jar","/usr/local/jetty/start.jar","-Dcas.properties.filepath=file:/etc/cas/cas.properties","-Dlog4j.configurationFile=file:/etc/cas/log4j2.xml"]

### Dev
FROM app AS dev

RUN mvn install -P nocheck

# WOKRAROUND: Force maven to install jetty/build dependencies
RUN mvn install jetty:help

ENTRYPOINT []

CMD ["/usr/bin/mvn", "-pl", "cas-server-webapp", "jetty:run"]