# 后端 Dockerfile
FROM maven:3.8.6-openjdk-8 AS build
WORKDIR /app
COPY . .
RUN mvn clean package -DskipTests

FROM openjdk:8-jre-alpine
WORKDIR /app
COPY --from=build /app/target/gold-miner-backend-1.0-SNAPSHOT.jar app.jar
EXPOSE 8080
ENTRYPOINT ["java", "-jar", "app.jar"]