FROM maven:3.9.6-eclipse-temurin-17 AS build

WORKDIR /app

COPY pom.xml /app/
COPY src /app/src

RUN mvn -B -DskipTests package \
    && ls -1 target/*.jar | grep -v "original" | head -n 1 | xargs -I{} cp {} /app/app.jar

FROM eclipse-temurin:17-jre-jammy

WORKDIR /app

RUN useradd --create-home --shell /usr/sbin/nologin appuser

COPY --from=build /app/app.jar /app/app.jar

USER appuser

ENV JAVA_OPTS=""

EXPOSE 8080

ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -jar /app/app.jar"]