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Busybox+Oracle Java 8 - below 240MB size #1

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Busybox+Oracle Java 8 - below 240MB size #1

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32 changes: 20 additions & 12 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,37 +1,42 @@
FROM debian:7.8
FROM jeanblanchard/busybox-java:8
MAINTAINER Mike Babineau [email protected]

ENV \
ZK_RELEASE="http://www.apache.org/dist/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz" \
EXHIBITOR_POM="https://raw.githubusercontent.com/Netflix/exhibitor/d911a16d704bbe790d84bbacc655ef050c1f5806/exhibitor-standalone/src/main/resources/buildscripts/standalone/maven/pom.xml" \
# Append "+" to ensure the package doesn't get purged
BUILD_DEPS="curl maven openjdk-7-jdk+" \
DEBIAN_FRONTEND="noninteractive"
MVN_RELEASE="http://www.apache.org/dist/maven/maven-3/3.3.1/binaries/apache-maven-3.3.1-bin.tar.gz"

# Use one step so we can remove intermediate dependencies and minimize size
RUN \
# Install dependencies
apt-get update \
&& apt-get install -y --no-install-recommends $BUILD_DEPS \
opkg-install bash tar \

# Default DNS cache TTL is -1. DNS records, like, change, man.
&& grep '^networkaddress.cache.ttl=' /etc/java-7-openjdk/security/java.security || echo 'networkaddress.cache.ttl=60' >> /etc/java-7-openjdk/security/java.security \
&& grep -q '^networkaddress.cache.ttl=' /opt/jdk/jre/lib/security/java.security || echo 'networkaddress.cache.ttl=60' >> /opt/jdk/jre/lib/security/java.security \

# Install ZK
&& curl -Lo /tmp/zookeeper.tgz $ZK_RELEASE \
&& mkdir -p /opt/zookeeper/transactions /opt/zookeeper/snapshots \
&& tar -xzf /tmp/zookeeper.tgz -C /opt/zookeeper --strip=1 \
&& rm /tmp/zookeeper.tgz \

# Install Maven (just for building)
&& mkdir -p /opt/maven \
&& curl -Lo /tmp/maven.tgz $MVN_RELEASE \
&& tar -xzf /tmp/maven.tgz -C /opt/maven --strip=1 \
&& rm /tmp/maven.tgz \

# Install Exhibitor
&& mkdir -p /opt/exhibitor \
&& curl -Lo /opt/exhibitor/pom.xml $EXHIBITOR_POM \
&& mvn -f /opt/exhibitor/pom.xml package \
&& curl -kLo /opt/exhibitor/pom.xml $EXHIBITOR_POM \
&& /opt/maven/bin/mvn -f /opt/exhibitor/pom.xml package \
&& ln -s /opt/exhibitor/target/exhibitor*jar /opt/exhibitor/exhibitor.jar \

# Remove build-time dependencies
&& apt-get purge -y --auto-remove $BUILD_DEPS \
&& rm -rf /var/lib/apt/lists/*
&& rm -rf ~/.m2 \
&& rm -rf ~/opt/maven \
&& opkg-cl remove tar bzip2 libbz2 libacl libattr\
&& rm -rf /tmp/*

# Add the wrapper script to setup configs and exec exhibitor
ADD include/wrapper.sh /opt/exhibitor/wrapper.sh
Expand All @@ -43,4 +48,7 @@ USER root
WORKDIR /opt/exhibitor
EXPOSE 2181 2888 3888 8181

ENTRYPOINT ["bash", "-ex", "/opt/exhibitor/wrapper.sh"]
VOLUME /opt/zookeeper/transactions
VOLUME /opt/zookeeper/snapshots

ENTRYPOINT ["bash", "-ex", "/opt/exhibitor/wrapper.sh"]