# Stage 1: Build Backend
FROM maven:3.9.6-eclipse-temurin-21-alpine AS build
WORKDIR /app
COPY pom.xml .
RUN mvn dependency:go-offline -B
COPY src ./src
RUN mvn clean package -DskipTests -B

# Stage 2: Run (minimal JRE image)
FROM eclipse-temurin:21-jre-alpine
WORKDIR /app
COPY --from=build /app/target/autopilot-master-0.0.1-SNAPSHOT.jar app.jar
EXPOSE 9090
ENTRYPOINT ["java", "-Djava.security.egd=file:/dev/./urandom", "-jar", "app.jar"]