# Stage 1: Build the application

# Using non-Alpine for native library compatibility

FROM maven:3.9.6-eclipse-temurin-21 AS build

WORKDIR /app

# Copy pom.xml and download dependencies

COPY pom.xml .

# Download dependencies first to cache them

RUN mvn dependency:go-offline -B

# Copy the source code

COPY src ./src

# Build the application

RUN mvn package -DskipTests

# Stage 2: Run the application

# Using non-Alpine Debian-based image for Argon2 native library compatibility

# This ensures glibc is available for JNA/native libraries on ARM64

FROM eclipse-temurin:21-jre

# Install any missing system libraries that might be needed

RUN apt-get update && \

apt-get install -y --no-install-recommends \

libc6 \

&& rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Create a volume for temporary files if needed normally, but crucial for some java apps

VOLUME /tmp

# Copy the built jar from the build stage

COPY --from=build /app/target/*-jar-with-dependencies.jar app.jar

# Copy email templates needed at runtime (EmailUtil reads them from the filesystem)

COPY --from=build /app/src/main/Security/Resources /app/src/main/Security/Resources

# Expose the application port

EXPOSE 7000

# Expose the debug port

EXPOSE 5005

# Environment variables that can be overridden

ENV PORT=7000

ENV JAVA_OPTS=""

# Run the application with debug agent enabled by default (can be controlled via JAVA_OPTS if preferred, but explicit is easier here)

# address=*:5005 allows connection from outside the container

ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:5005 -jar app.jar"]