FROM eclipse-temurin:21-jdk-alpine AS build
WORKDIR /app
COPY . .
RUN ./mvnw package -DskipTests -B

FROM eclipse-temurin:21-jre-alpine
WORKDIR /app
COPY --from=build /app/skillhub-app/target/*.jar app.jar
RUN addgroup -S app && adduser -S app -G app
USER app
EXPOSE 8080
HEALTHCHECK --interval=10s --timeout=3s \
  CMD wget -qO- http://localhost:8080/actuator/health || exit 1
ENTRYPOINT ["java", "-XX:MaxRAMPercentage=75.0", "-jar", "app.jar"]