去掉gitlab-cicd

.gitlab-ci.yml

-stages:
-  - build
-  - package
-  - docker
-  - deploy
-
-variables:
-  MAVEN_CLI_OPTS: "--batch-mode"
-  APP_NAME: demo-app
-
-# 1. Build
-build:
-  stage: build
-  image: maven:3.9.9-eclipse-temurin-17
-  script:
-    - mvn $MAVEN_CLI_OPTS clean compile
-  artifacts:
-    paths:
-      - target/*.jar
-    expire_in: 1 week
-
-# 2. Docker Build & Push
-docker-build:
-  stage: docker
-  image: docker:27
-  services:
-    - docker:27-dind
-  variables:
-    DOCKER_HOST: tcp://docker:2375
-    DOCKER_TLS_CERTDIR: ""
-  script:
-    # 登录 Registry
-    - echo "$CI_REGISTRY_PASSWORD" | docker login -u "$CI_REGISTRY_USER" $CI_REGISTRY --password-stdin
-    # 构建镜像
-    - IMAGE_TAG="$CI_REGISTRY_IMAGE/$APP_NAME:$CI_COMMIT_SHORT_SHA"
-    - docker build -t $IMAGE_TAG .
-    # 推送镜像
-    - docker push $IMAGE_TAG
-    # 保存镜像标签用于部署
-    - echo $IMAGE_TAG > image_tag.txt
-  artifacts:
-    paths:
-      - image_tag.txt
-
-# 3. 部署服务器拉镜像并运行
-deploy:
-  stage: deploy
-  image: alpine:latest
-  before_script:
-    - apk add --no-cache openssh-client bash
-  script:
-    - IMAGE_TAG=$(cat image_tag.txt)
-    - echo "$SSH_PRIVATE_KEY" | tr -d '\r' > ~/.ssh/id_rsa
-    - chmod 600 ~/.ssh/id_rsa
-    - ssh-keyscan -H $DEPLOY_HOST >> ~/.ssh/known_hosts
-    # 远程拉取镜像并启动
-    - ssh $DEPLOY_USER@$DEPLOY_HOST "
-      docker login $CI_REGISTRY -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD &&
-      docker pull $IMAGE_TAG &&
-      docker stop $APP_NAME || true &&
-      docker rm $APP_NAME || true &&
-      docker run -d --name $APP_NAME -p 8080:8080 $IMAGE_TAG
-      "

pom.xml

@@ -27,7 +27,7 @@
         <url/>
     </scm>
     <properties>
-        <java.version>25</java.version>
+        <java.version>21</java.version>
     </properties>
     <dependencies>
         <dependency>