kind: pipeline
type: docker
name: java-demo

steps:
  - name: build
    image: maven:3.9.6-eclipse-temurin-17-alpine   # 仅 ~220 MB
    commands:
      - mvn -B clean package -DskipTests           # 跳过测试，更快
      - java -jar target/*.jar --version || echo "Build OK"
    volumes:
      - name: m2-cache
        path: /root/.m2                            # 本地缓存依赖

volumes:
  - name: m2-cache
    host:
      path: /tmp/drone-m2-cache                   # 宿主缓存目录 
 environment:
  - DRONE_USER_CREATE=username:NanCheng,admin:true