# Step 1: 构建 jar
FROM maven:3.9.9-eclipse-temurin-21 AS builder

WORKDIR /app
COPY . .
RUN mvn clean package -DskipTests

# Step 2: 运行 jar
FROM eclipse-temurin:21-jdk

WORKDIR /app
COPY --from=builder /app/target/*.jar app.jar

EXPOSE 8080
ENTRYPOINT ["java", "-jar", "app.jar"]