FROM gradle:8.12.1-jdk17 AS dependencies

# Disable the Gradle daemon for Continuous Integration servers as correctness
# is usually a priority over speed in CI environments. Using a fresh
# runtime for each build is more reliable since the runtime is completely
# isolated from any previous builds.
ARG GRADLE_OPTS=
ENV GRADLE_OPTS="-Dorg.gradle.daemon=false -Dorg.gradle.caching=true ${GRADLE_OPTS}"

ENV GRADLE_USER_HOME=/home/gradle/gradle-user-home

WORKDIR /home/gradle/app

COPY ./service/build.gradle ./service/

COPY build.gradle settings.gradle gradle.properties ./

RUN \
  gradle downloadDependencies

COPY ./service/ ./service/
#COPY ./agent/ ./agent/

ENTRYPOINT [ "gradle" ]


FROM dependencies AS test

RUN \
  gradle testClasses \
  && cp --recursive \
    /home/gradle/gradle-user-home \
    /home/gradle/gradle-user-home-from-cache

ENV TZ=Europe/Moscow
ENV GRADLE_USER_HOME=/home/gradle/gradle-user-home-from-cache

CMD [ "test" ]


FROM dependencies AS builder

# Parameter org.gradle.parallel improves build time on muti-core processors
RUN \
  gradle -Dorg.gradle.parallel=true assemble


FROM builder AS builder-with-caches

RUN \
  cp --recursive \
    /home/gradle/gradle-user-home \
    /home/gradle/gradle-user-home-from-cache

ENV GRADLE_USER_HOME=/home/gradle/gradle-user-home-from-cache


FROM openjdk:17.0.2-jdk-slim-buster AS package-upgrade

COPY ./.package_upgrade /
RUN apt-get update && \
  DEBIAN_FRONTEND=noninteractive xargs --arg-file=/.package_upgrade \
  apt-get install \
    --assume-yes \
    --no-install-suggests


FROM builder-with-caches AS build

WORKDIR /app

RUN mkdir -p lib config \
  && chown -R 20000:20000 . \
  && chmod -R 0755 . \
  && groupadd --system --gid 20000 app \
  && adduser --system --uid 20000 --shell /sbin/nologin --home /app --gid 20000 app

ENV TZ=Europe/Moscow
ENV SERVER_PORT=8080
ENV MANAGEMENT_SERVER_PORT=8282
ENV MANAGEMENT_ENDPOINTS_WEB_BASEPATH=/actuator
ENV JAVA_TOOL_OPTIONS="\
-Dfile.encoding=UTF-8 \
-Djava.security.egd=file:///dev/urandom \
-Dnetworkaddress.cache.ttl=60s \
-XX:MaxRAMPercentage=50"

USER app

HEALTHCHECK --start-period=60s \
  CMD wget --quiet --timeout=1 --output-document=/dev/null \
    "http://127.0.0.1:${MANAGEMENT_SERVER_PORT}${MANAGEMENT_ENDPOINTS_WEB_BASEPATH}/health" || exit 1


FROM build AS build-service

#COPY --from=builder \
#  /home/gradle/app/agent/opentelemetry-javaagent.jar ./agent/opentelemetry-javaagent.jar
COPY --chown=app:app --from=builder \
  /home/gradle/app/service/build/libs/service.jar ./lib/service.jar

EXPOSE ${SERVER_PORT}

ENTRYPOINT [ "java", "-jar", "lib/service.jar" ]