2020-01-16 05:43:32 +03:00
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FROM mcr.microsoft.com/java/jdk:8-zulu-alpine
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ARG APP_FILE=ROOT.war
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2020-09-21 23:18:01 +03:00
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ARG TOMCAT_VERSION=9.0.38
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2020-01-16 05:43:32 +03:00
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ARG SERVER_XML=server.xml
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ARG LOGGING_PROPERTIES=logging.properties
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ARG CATALINA_PROPERTIES=catalina.properties
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ARG TOMCAT_MAJOR=9
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2020-09-21 23:43:52 +03:00
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# As provided here, only the access log gets written to this location.
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2020-09-21 23:45:36 +03:00
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# Mount to a persistent volume to preserve access logs.
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2020-09-21 23:43:52 +03:00
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# Modify this value to specify a different log directory.
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# e.g. /home/logs in Azure App Service
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2020-01-16 05:43:32 +03:00
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ENV LOG_ROOT=/tomcat_logs
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ENV PATH /usr/local/tomcat/bin:$PATH
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# Make Java 8 obey container resource limits, improve performance
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ENV JAVA_OPTS "-XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap -XX:+UseG1GC -Djava.awt.headless=true"
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# Cleanup & Install
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RUN apk add --update openssh-server bash openrc \
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&& rm -rf /var/cache/apk/* \
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# Remove unnecessary services
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&& rm -f /etc/init.d/hwdrivers \
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/etc/init.d/hwclock \
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/etc/init.d/mtab \
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/etc/init.d/bootmisc \
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/etc/init.d/modules \
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/etc/init.d/modules-load \
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/etc/init.d/modloop \
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# Install Tomcat
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&& wget -O /tmp/apache-tomcat-${TOMCAT_VERSION}.tar.gz https://archive.apache.org/dist/tomcat/tomcat-$TOMCAT_MAJOR/v${TOMCAT_VERSION}/bin/apache-tomcat-${TOMCAT_VERSION}.tar.gz --no-verbose \
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&& mkdir /usr/local/tomcat \
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&& tar xvzf /tmp/apache-tomcat-${TOMCAT_VERSION}.tar.gz -C /usr/local/tomcat --strip-components 1 \
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&& rm -f /tmp/apache-tomcat-${TOMCAT_VERSION}.tar.gz \
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# Remove the sample webapps provided by Tomcat
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&& rm -rf /usr/local/tomcat/webapps/*
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COPY $APP_FILE /usr/local/tomcat/webapps/ROOT.war
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RUN mkdir /usr/local/tomcat/webapps/ROOT \
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&& cd /usr/local/tomcat/webapps/ROOT \
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&& unzip ../ROOT.war \
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&& rm -f ../ROOT.war
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COPY ${SERVER_XML} /usr/local/tomcat/conf/server.xml
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COPY ${LOGGING_PROPERTIES} /usr/local/tomcat/conf/logging.properties
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COPY ${CATALINA_PROPERTIES} /usr/local/tomcat/conf/catalina.properties
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# Copy the startup script
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COPY startup.sh /startup.sh
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RUN chmod a+x /startup.sh
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EXPOSE 8080
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CMD ["/startup.sh"]
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