Dockerfile

################################################################################
#  Licensed to the Apache Software Foundation (ASF) under one
#  or more contributor license agreements.  See the NOTICE file
#  distributed with this work for additional information
#  regarding copyright ownership.  The ASF licenses this file
#  to you under the Apache License, Version 2.0 (the
#  "License"); you may not use this file except in compliance
#  with the License.  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
# limitations under the License.
################################################################################
# Build
FROM maven:3.8.4-openjdk-11 AS build
WORKDIR /app

ENV OPERATOR_DIR=flink-kubernetes-operator
ENV WEBHOOK_DIR=flink-kubernetes-webhook

RUN mkdir $OPERATOR_DIR $WEBHOOK_DIR

COPY pom.xml .
COPY $WEBHOOK_DIR/pom.xml ./$WEBHOOK_DIR/
COPY $OPERATOR_DIR/pom.xml ./$OPERATOR_DIR/

COPY $OPERATOR_DIR/src ./$OPERATOR_DIR/src
COPY $WEBHOOK_DIR/src ./$WEBHOOK_DIR/src

COPY tools ./tools

RUN --mount=type=cache,target=/root/.m2 mvn clean install

# stage
FROM openjdk:11-jre

ENV OPERATOR_VERSION=1.0-SNAPSHOT
ENV OPERATOR_JAR=flink-kubernetes-operator-$OPERATOR_VERSION-shaded.jar
ENV WEBHOOK_JAR=flink-kubernetes-webhook-$OPERATOR_VERSION-shaded.jar

COPY --from=build /app/flink-kubernetes-operator/target/$OPERATOR_JAR /
COPY --from=build /app/flink-kubernetes-webhook/target/$WEBHOOK_JAR /

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