Dockerfile.multi-stage

# Copyright 2024 Deutsche Telekom IT GmbH
#
# SPDX-License-Identifier: Apache-2.0

ARG BUILD_ENV=standard

# builder image for building the actual runnable jar
FROM azul/zulu-openjdk-alpine:21 AS builder
WORKDIR /workspace/app
COPY . .
RUN dos2unix ./gradlew
RUN ./gradlew build -x test

# standard image build
FROM azul/zulu-openjdk-alpine:21-jre AS standard
USER root
RUN apk add --no-cache --update gcompat --repository=https://dl-cdn.alpinelinux.org/alpine/v3.18/main/ > /dev/null
USER 1001:1001
WORKDIR /workspace/app
COPY --from=builder /workspace/app/build/libs/starlight.jar app.jar

# image build that includes a local cacert.pem and import it into the default truststore
FROM standard as with_cacert
USER root
COPY cacert.crt cacert.crt
RUN keytool -importcert -trustcacerts -cacerts -file cacert.crt -alias platform -noprompt
USER 1001:1001

# main
FROM ${BUILD_ENV}
EXPOSE 8080
CMD ["java", "-jar", "app.jar"]