# Stage 1: Build
FROM eclipse-temurin:21-jdk-alpine AS build
WORKDIR /app
COPY backend/build.gradle ./
COPY gradlew ./
COPY gradle gradle
COPY backend/src src
RUN chmod +x gradlew
RUN ./gradlew bootJar --no-daemon

# Stage 2: Run
FROM eclipse-temurin:21-jre-alpine
WORKDIR /app
COPY --from=build /app/build/libs/*.jar app.jar
RUN mkdir -p /app/attachments /app/dkim-keys
EXPOSE 8080 3025
ENTRYPOINT ["java", "-jar", "app.jar"]