Dockerfile

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# Build
ARG JAVA_VERSION=11
FROM maven:3.8.8-eclipse-temurin-${JAVA_VERSION} AS build
ARG SKIP_TESTS=true
ARG HTTP_CLIENT=okhttp

WORKDIR /app

COPY . .

RUN --mount=type=cache,target=/root/.m2 mvn -ntp clean install -pl flink-kubernetes-standalone,flink-kubernetes-operator-api,flink-kubernetes-operator,flink-autoscaler,flink-kubernetes-webhook -DskipTests=$SKIP_TESTS -Dfabric8.httpclient.impl="$HTTP_CLIENT"

RUN cd /app/tools/license; mkdir jars; cd jars; \
    cp /app/flink-kubernetes-operator/target/flink-kubernetes-operator-*-shaded.jar . && \
    cp /app/flink-kubernetes-webhook/target/flink-kubernetes-webhook-*-shaded.jar . && \
    cp /app/flink-kubernetes-standalone/target/flink-kubernetes-standalone-*.jar . && \
    cp -r /app/flink-kubernetes-operator/target/plugins ./plugins && \
    cd ../ && ./collect_license_files.sh ./jars ./licenses-output

# stage
FROM eclipse-temurin:${JAVA_VERSION}-jre-jammy
ENV FLINK_HOME=/opt/flink
ENV FLINK_PLUGINS_DIR=$FLINK_HOME/plugins
ENV OPERATOR_VERSION=1.11-SNAPSHOT
ENV OPERATOR_JAR=flink-kubernetes-operator-$OPERATOR_VERSION-shaded.jar
ENV WEBHOOK_JAR=flink-kubernetes-webhook-$OPERATOR_VERSION-shaded.jar
ENV KUBERNETES_STANDALONE_JAR=flink-kubernetes-standalone-$OPERATOR_VERSION.jar

ENV OPERATOR_LIB=$FLINK_HOME/operator-lib
RUN mkdir -p $OPERATOR_LIB

WORKDIR /flink-kubernetes-operator
RUN groupadd --system --gid=9999 flink && \
    useradd --system --home-dir $FLINK_HOME --uid=9999 --gid=flink flink

RUN chown -R flink:flink $FLINK_HOME

COPY --chown=flink:flink --from=build /app/flink-kubernetes-operator/target/$OPERATOR_JAR .
COPY --chown=flink:flink --from=build /app/flink-kubernetes-webhook/target/$WEBHOOK_JAR .
COPY --chown=flink:flink --from=build /app/flink-kubernetes-standalone/target/$KUBERNETES_STANDALONE_JAR .
COPY --chown=flink:flink --from=build /app/flink-kubernetes-operator/target/plugins $FLINK_HOME/plugins
COPY --chown=flink:flink --from=build /app/tools/license/licenses-output/NOTICE .
COPY --chown=flink:flink --from=build /app/tools/license/licenses-output/licenses ./licenses
COPY --chown=flink:flink --from=build /app/LICENSE ./LICENSE
COPY --chown=flink:flink docker-entrypoint.sh /

ARG SKIP_OS_UPDATE=true

# Updating Debian
RUN if [ "$SKIP_OS_UPDATE" = "false" ]; then apt-get update; fi
RUN if [ "$SKIP_OS_UPDATE" = "false" ]; then apt-get upgrade -y; fi

ARG DISABLE_JEMALLOC=false
# Install jemalloc
RUN if [ "$DISABLE_JEMALLOC" = "false" ]; then \
  apt-get update; \
  apt-get -y install libjemalloc-dev; \
  rm -rf /var/lib/apt/lists/*; \
  fi

USER flink
ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["help"]