Dockerfile_dev

# set Java
ARG JAVA_VERSION=17.0.9_9
# extracts spring layers from the app jar (to optimize boot)
FROM eclipse-temurin:${JAVA_VERSION}-jre-alpine as build

ARG HAWKBIT_APP=hawkbit-update-server
ARG HAWKBIT_VERSION=0-SNAPSHOT

ENV BUILD_DIR=/opt/hawkbit_build
ENV APP=${HAWKBIT_APP}
ENV VERSION=${HAWKBIT_VERSION}

COPY org/eclipse/hawkbit/${APP}/${VERSION}/${APP}-${VERSION}.jar ${APP}-${VERSION}.jar

RUN set -x &&\
 mkdir -p ${BUILD_DIR} &&\
 cd ${BUILD_DIR} &&\
 java -Djarmode=layertools -jar /${APP}-${VERSION}.jar extract --destination . &&\
 rm /${APP}-${VERSION}.jar

FROM eclipse-temurin:${JAVA_VERSION}-jre-alpine

RUN addgroup -S hawkbit_group && adduser -D hawkbit -G hawkbit_group
RUN mkdir -p /artifactrepo && chown -R hawkbit /artifactrepo
USER hawkbit

ENV BUILD_DIR=/opt/hawkbit_build
COPY --from=build ${BUILD_DIR}/dependencies/ ./
COPY --from=build ${BUILD_DIR}/spring-boot-loader/ ./
COPY --from=build ${BUILD_DIR}/snapshot-dependencies/ ./
COPY --from=build ${BUILD_DIR}/application/ ./

ARG CONTAINER_PORT=8080
ENV JAVA_OPTS="-Xms768m -Xmx768m -XX:MaxMetaspaceSize=250m -XX:MetaspaceSize=250m -Xss300K -XX:+UseG1GC -XX:+UseStringDeduplication -XX:+UseCompressedOops -XX:+HeapDumpOnOutOfMemoryError"

VOLUME "/artifactrepo"
EXPOSE ${CONTAINER_PORT}
ENTRYPOINT ["sh", "-c", "java ${JAVA_OPTS} org.springframework.boot.loader.launch.JarLauncher ${@}"]