pipeline {
  agent any

  options {
    timestamps()
    disableConcurrentBuilds()
  }

  environment {
    // ===== Registry =====
    REGISTRY_HOST = "registry.pjt.kr"
    IMAGE_REPO    = "alist/api"
    DOCKER_CRED   = "docker-registry-cred"   // ← Jenkins Credentials ID
  }

  stages {
    stage('1) Git check out') {
      steps {
        checkout scm
      }
    }

    stage('2) Build (Gradle)') {
      steps {
        sh '''
          set -e
          chmod +x ./gradlew
          ./gradlew clean build -x test
        '''
      }
    }

    stage('3) image tab create') {
      steps {
        script {
          env.SHORT_SHA = sh(script: "git rev-parse --short HEAD", returnStdout: true).trim()
          echo "SHORT_SHA = ${env.SHORT_SHA}"
          env.IMAGE_TAG = "${env.BUILD_NUMBER}-${env.SHORT_SHA}"
          echo "IMAGE_TAG = ${env.IMAGE_TAG}"
        }
      }
    }

    stage('4) Docker Build') {
      steps {
        sh '''
          set -e
          docker build -t ${REGISTRY_HOST}/${IMAGE_REPO}:${IMAGE_TAG} .
         '''
      }
    }
  }
}