Specifiy JDK in FROM

mark.george / dockerfiles

Browse code Specifiy JDK in FROM master
1 parent 7babd02 commit dabfd5153faab03be2f512e7a584e226e520d090 Mark George authored on 6 Mar 2022

Patch

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# A minimal GitBucket. # # Volumes: # /gitbucket_data - GitBucket persistent data. Precreate to prevent Docker creating with root privs. # /opt/gitbucket - location of gitbucket.war (parent directory). Plugins should reside in a 'plugins' directory inside this directory. # # Build with: # > docker build . # # Run with: # > docker run --detach --publish 8080:8080 --volume data_location:/gitbucket_data --volume war_location:/opt/gitbucket --env GITBUCKET_PREFIX=/prefix # # Configuration changes can be made via environment variables, so override by supplying --env parameters (or an env file). # start with the Alpine Adoptium base FROM eclipse-temurin:17-jdk-alpine as jre-build # Java module dependencies found by unzipping WAR and running: # jdeps --class-path 'WEB-INF/classes,WEB-INF/lib/,.' -recursive -summary . # jdeps currently requires objc from binutils RUN apk add --no-cache binutils # generate a minimal JRE that includes only the necessary modules RUN $JAVA_HOME/bin/jlink \ --add-modules java.base,java.desktop,java.instrument,java.logging,java.management,java.naming,java.security.jgss,java.sql,java.xml \ --strip-debug \ --no-man-pages \ --no-header-files \ --compress=2 \ --output /jre FROM alpine:3.15 ### COPY GENERATED JRE ### ENV JAVA_HOME=/opt/java/openjdk ENV PATH "${JAVA_HOME}/bin:${PATH}" COPY --from=jre-build /jre $JAVA_HOME ### INSTALL DEPENDENCIES ### # font support needed for generating avatar icons, curl needed for healthcheck, graphviz needed by plantuml plugin RUN apk add --no-cache graphviz fontconfig ttf-opensans curl RUN \ addgroup gitbucket && \ adduser --disabled-password -G gitbucket gitbucket && \ mkdir /home/gitbucket/tmp USER gitbucket # These are variables that GitBucket looks for. Override when starting container (--env on Docker) if needed. # See: https://github.com/gitbucket/gitbucket/wiki/Basic-configurations ENV \ GITBUCKET_HOME="/gitbucket/gitbucket_data" \ GITBUCKET_PORT=8080 \ GITBUCKET_PREFIX="" \ GITBUCKET_PLUGINDIR="/opt/gitbucket/plugins" \ GITBUCKET_TEMPDIR="/home/gitbucket/tmp" EXPOSE 8080/tcp HEALTHCHECK --interval=5m --timeout=5s CMD curl --fail http://localhost:8080/ \|\| exit 1 CMD ["/opt/java/openjdk/bin/java", "-Xms128m", "-Xms512m", "-jar", "/opt/gitbucket/gitbucket.war"] # A minimal GitBucket. # # Volumes: # /gitbucket_data - GitBucket persistent data. Precreate to prevent Docker creating with root privs. # /opt/gitbucket - location of gitbucket.war (parent directory). Plugins should reside in a 'plugins' directory inside this directory. # # Build with: # > docker build . # # Run with: # > docker run --detach --publish 8080:8080 --volume data_location:/gitbucket_data --volume war_location:/opt/gitbucket --env GITBUCKET_PREFIX=/prefix # # Configuration changes can be made via environment variables, so override by supplying --env parameters (or an env file). # start with the Alpine Adoptium base FROM eclipse-temurin:17-alpine as jre-build # Java module dependencies found by unzipping WAR and running: # jdeps --class-path 'WEB-INF/classes,WEB-INF/lib/,.' -recursive -summary . # jdeps currently requires objc from binutils RUN apk add --no-cache binutils # generate a minimal JRE that includes only the necessary modules RUN $JAVA_HOME/bin/jlink \ --add-modules java.base,java.desktop,java.instrument,java.logging,java.management,java.naming,java.security.jgss,java.sql,java.xml \ --strip-debug \ --no-man-pages \ --no-header-files \ --compress=2 \ --output /jre FROM alpine:3.15 ### COPY GENERATED JRE ### ENV JAVA_HOME=/opt/java/openjdk ENV PATH "${JAVA_HOME}/bin:${PATH}" COPY --from=jre-build /jre $JAVA_HOME ### INSTALL DEPENDENCIES ### # font support needed for generating avatar icons, curl needed for healthcheck, graphviz needed by plantuml plugin RUN apk add --no-cache graphviz fontconfig ttf-opensans curl RUN \ addgroup gitbucket && \ adduser --disabled-password -G gitbucket gitbucket && \ mkdir /home/gitbucket/tmp USER gitbucket # These are variables that GitBucket looks for. Override when starting container (--env on Docker) if needed. # See: https://github.com/gitbucket/gitbucket/wiki/Basic-configurations ENV \ GITBUCKET_HOME="/gitbucket/gitbucket_data" \ GITBUCKET_PORT=8080 \ GITBUCKET_PREFIX="" \ GITBUCKET_PLUGINDIR="/opt/gitbucket/plugins" \ GITBUCKET_TEMPDIR="/home/gitbucket/tmp" EXPOSE 8080/tcp HEALTHCHECK --interval=5m --timeout=5s CMD curl --fail http://localhost:8080/ \|\| exit 1 CMD ["/opt/java/openjdk/bin/java", "-Xms128m", "-Xms512m", "-jar", "/opt/gitbucket/gitbucket.war"]

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gitbucket.dockerfile

# A minimal GitBucket.
#
# Volumes:
#   /gitbucket_data - GitBucket persistent data.  Precreate to prevent Docker creating with root privs.
#   /opt/gitbucket - location of gitbucket.war (parent directory). Plugins should reside in a 'plugins' directory inside this directory.
#
# Build with:
# > docker build .
#
# Run with:
# > docker run --detach --publish 8080:8080 --volume data_location:/gitbucket_data --volume war_location:/opt/gitbucket --env GITBUCKET_PREFIX=/prefix
#
# Configuration changes can be made via environment variables, so override by supplying --env parameters (or an env file).

# start with the Alpine Adoptium base
FROM eclipse-temurin:17-jdk-alpine as jre-build

# Java module dependencies found by unzipping WAR and running:
# jdeps --class-path 'WEB-INF/classes,WEB-INF/lib/*,.' -recursive -summary .

# jdeps currently requires objc from binutils
RUN apk add --no-cache binutils

# generate a minimal JRE that includes only the necessary modules
RUN $JAVA_HOME/bin/jlink \
         --add-modules java.base,java.desktop,java.instrument,java.logging,java.management,java.naming,java.security.jgss,java.sql,java.xml \
         --strip-debug \
         --no-man-pages \
         --no-header-files \
         --compress=2 \
         --output /jre

FROM alpine:3.15

### COPY GENERATED JRE ###

ENV JAVA_HOME=/opt/java/openjdk
ENV PATH "${JAVA_HOME}/bin:${PATH}"
COPY --from=jre-build /jre $JAVA_HOME

### INSTALL DEPENDENCIES ###

# font support needed for generating avatar icons, curl needed for healthcheck, graphviz needed by plantuml plugin
RUN apk add --no-cache graphviz fontconfig ttf-opensans curl

RUN \
	addgroup gitbucket && \
	adduser --disabled-password -G gitbucket gitbucket && \
	mkdir /home/gitbucket/tmp

USER gitbucket

# These are variables that GitBucket looks for. Override when starting container (--env on Docker) if needed.
# See:  https://github.com/gitbucket/gitbucket/wiki/Basic-configurations
ENV \
	GITBUCKET_HOME="/gitbucket/gitbucket_data" \
	GITBUCKET_PORT=8080 \
	GITBUCKET_PREFIX="" \
	GITBUCKET_PLUGINDIR="/opt/gitbucket/plugins" \
	GITBUCKET_TEMPDIR="/home/gitbucket/tmp"

EXPOSE 8080/tcp

HEALTHCHECK --interval=5m --timeout=5s CMD curl --fail http://localhost:8080/ || exit 1

CMD ["/opt/java/openjdk/bin/java", "-Xms128m", "-Xms512m", "-jar", "/opt/gitbucket/gitbucket.war"]

# start with the Alpine Adoptium base
FROM eclipse-temurin:17-alpine as jre-build