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Utilize Dockerized jdk over Ubuntu JDK #10

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Utilize Dockerized jdk over Ubuntu JDK #10

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11 changes: 10 additions & 1 deletion Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,8 @@
# With thanks to David Bowes ([email protected]) who did all the hard work
# on this originally.

# grab openjdk-16 container first, then ubuntu 20.04 base image
FROM openjdk:16-jdk AS jdk
FROM docker.io/ubuntu:20.04

# https://github.com/opencontainers/image-spec/blob/master/annotations.md
Expand All @@ -19,8 +21,16 @@ ENV APACHE_RUN_GROUP www-data
ENV APACHE_LOG_DIR /var/log/apache2
ENV APACHE_LOCK_DIR /var/lock/apache2
ENV APACHE_PID_FILE /var/run/apache2.pid
ENV JAVA_HOME /usr/lib/jvm/java-16-openjdk-amd64
ENV LANG C.UTF-8

# Copy OpenJDK into Ubuntu container and setup via update-alternatives
COPY --from=jdk /usr/java/openjdk-16 /usr/lib/jvm/java-16-openjdk-amd64
RUN update-alternatives --install /usr/bin/java java /usr/lib/jvm/java-16-openjdk-amd64/bin/java 20 && \
update-alternatives --auto java && \
update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/java-16-openjdk-amd64/bin/javac 20 && \
update-alternatives --auto javac

# Copy apache virtual host file for later use
COPY 000-jobe.conf /
# Copy test script
Expand All @@ -45,7 +55,6 @@ RUN ln -snf /usr/share/zoneinfo/"$TZ" /etc/localtime && \
libapache2-mod-php \
nodejs \
octave \
openjdk-16-jdk \
php \
php-cli \
php-mbstring \
Expand Down