# Step 1: Use Maven with JDK 21 to build the app
FROM gradle:8.14.3-jdk21-alpine AS builder
WORKDIR /app
COPY build.gradle .
COPY src ./src
RUN gradle clean bootJar -DskipTests

# Step 2: Use lightweight JRE 21 for running the app
FROM eclipse-temurin:21-jre-alpine-3.22
WORKDIR /app
COPY --from=builder /app/build/libs/app-1.0.0.jar app.jar
EXPOSE 8080
ENTRYPOINT ["java", "-jar", "app.jar"]