Dockerfile

ARG PLATFORM=""
ARG APP_INSIGHTS_AGENT_VERSION=3.6.2
FROM eclipse-temurin${PLATFORM}:21 as builder

ARG JAR_FILE=build/libs/*.jar
COPY ${JAR_FILE} application.jar
RUN java -Djarmode=layertools -jar application.jar extract

FROM hmctspublic.azurecr.io/base/java${PLATFORM}:21-distroless
USER hmcts

COPY lib/applicationinsights.json /opt/app

# The following layer ARGs are only needed to stop Fortify flagging an issue with the COPY instructions
ARG DIR_LAYER_APPLICATION=application/
ARG DIR_LAYER_DEPENDECIES=dependencies/
ARG DIR_LAYER_SPRING_BOOT_LOADER=spring-boot-loader/
ARG DIR_LAYER_SNAPSHOT_DEPENDENCIES=snapshot-dependencies/

COPY --from=builder ${DIR_LAYER_APPLICATION} /opt/app/
COPY --from=builder ${DIR_LAYER_DEPENDECIES} /opt/app/
# Add 'CMD true or RUN true' if consecutive COPY commands are failing in case (intermittently).
# See https://github.com/moby/moby/issues/37965#issuecomment-771526632
COPY --from=builder ${DIR_LAYER_SPRING_BOOT_LOADER} /opt/app/
COPY --from=builder ${DIR_LAYER_SNAPSHOT_DEPENDENCIES} /opt/app/

EXPOSE 4458
ENTRYPOINT ["/usr/bin/java", "org.springframework.boot.loader.JarLauncher"]