# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
#
# Licensed 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.

# Multi-stage Docker image build

# Stage 1
FROM maven:3-jdk-11 AS builder

# Define working directory
WORKDIR /app

# Copy every file in working directory, as defined in .dockerignore file
COPY ./pom.xml pom.xml
COPY ./src src/
COPY ./target/generated-sources/ target/generated-sources/
RUN mvn --errors --batch-mode package -Dmaven.test.skip=true

# Stage 2
FROM builder AS unit-test

RUN mvn --errors --batch-mode -Pgenerate-consolidated-coverage verify

# Stage 3
FROM registry.access.redhat.com/ubi8/ubi-minimal:8.4 AS release

ARG JAVA_PACKAGE=java-11-openjdk-headless
ARG RUN_JAVA_VERSION=1.3.8
ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en'
# Install java and the run-java script
# Also set up permissions for user `1001`
RUN microdnf install curl ca-certificates ${JAVA_PACKAGE} \
    && microdnf update \
    && microdnf clean all \
    && mkdir /deployments \
    && chown 1001 /deployments \
    && chmod "g+rwX" /deployments \
    && chown 1001:root /deployments \
    && curl https://repo1.maven.org/maven2/io/fabric8/run-java-sh/${RUN_JAVA_VERSION}/run-java-sh-${RUN_JAVA_VERSION}-sh.sh -o /deployments/run-java.sh \
    && chown 1001 /deployments/run-java.sh \
    && chmod 540 /deployments/run-java.sh \
    && echo "securerandom.source=file:/dev/urandom" >> /etc/alternatives/jre/conf/security/java.security

# Configure the JAVA_OPTIONS, you can add -XshowSettings:vm to also display the heap size.
ENV JAVA_OPTIONS="-Dquarkus.http.host=0.0.0.0 -Djava.util.logging.manager=org.jboss.logmanager.LogManager"
# We make four distinct layers so if there are application changes the library layers can be re-used
COPY --from=builder --chown=1001 /app/target/quarkus-app/lib/ /deployments/lib/
COPY --from=builder --chown=1001 /app/target/quarkus-app/*.jar /deployments/
COPY --from=builder --chown=1001 /app/target/quarkus-app/app/ /deployments/app/
COPY --from=builder --chown=1001 /app/target/quarkus-app/quarkus/ /deployments/quarkus/

EXPOSE 8080
EXPOSE 5050
USER 1001

ENTRYPOINT [ "/deployments/run-java.sh" ]

