# Use a specific version of OpenJDK based on Debian ("bullseye" in this case)
FROM --platform=$BUILDPLATFORM openjdk:21-jdk-bullseye AS builder

# Replace 'apk' commands with 'apt-get' for Debian-based package management.
# Install required packages such as 'git' and 'gradle'. Remember to update and clean up properly.
RUN apt-get update && \
    apt-get install -y gradle git && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /mxids
COPY . .
RUN ./gradlew shadowJar

# Second stage: Setup the runtime container
FROM openjdk:21-jdk-bullseye

# Again, switch to 'apt-get' for installing 'bash'. Clean up to keep the image size down.
RUN apt-get update && \
    apt-get install -y bash && \
    rm -rf /var/lib/apt/lists/*

VOLUME /etc/mxids
VOLUME /var/mxids
EXPOSE 8090

ENV JAVA_OPTS=""
ENV CONF_FILE_PATH="/etc/mxids/mxids.yaml"
ENV SIGN_KEY_PATH="/var/mxids/sign.key"
ENV SQLITE_DATABASE_PATH="/var/mxids/mxids.db"

# It's usually a good practice to use 'COPY' instead of 'ADD' for local files unless you need the extra capabilities of 'ADD' (like auto-extracting tar files).
COPY src/docker/start.sh /start.sh
COPY src/script/mxids /app/mxids
COPY --from=builder /mxids/build/libs/mxids.jar /app/mxids.jar

CMD ["/start.sh"]