1. stages: # 分段
    2.   - deploy-sit
    3.   - deploy-prod
    4. cache: # 缓存
    5.   paths:
    6.     - node_modules
    7. before_script:
    8.   - sshpass -p $PASSWORD ssh $USERNAME@$IP -o StrictHostKeyChecking=no  
    9.   - cd ~
    10.   - ([ -d /root/backend-cicd/app/public ] && mv /root/backend-cicd/app/public /root/public) || echo
    11.   - rm -rf ./backend-cicd
    12.   - git clone git@192.168.235.129:zhongs/backend-cicd.git
    13.   - ([ -d /root/public ] && mv /root/public /root/backend-cicd/app/public) || echo
    14.   - cd ./backend-cicd
    16. deploy-sit-job:
    17.   tags:
    18.     - backend-cicd
    19.   only: 
    20.     - sit
    21.   stage: deploy-sit
    22.   script:
    23.     - pwd
    24.     - git checkout sit
    25.     - cnpm install
    26.     - npm run stop
    27.     - npm run start-sit
    28.     - exit
    30. deploy-prod-job:
    31.   tags:
    32.     - backend-cicd
    33.   only: 
    34.     - prod
    35.   stage: deploy-prod
    36.   script:
    37.     - pwd
    38.     - git checkout prod
    39.     - cnpm install
    40.     - npm run stop
    41.     - npm run start-prod
    42.     - exit