Gitlab ci file for deploy node with ssh

.gitlab-ci.yml

image: node:14-alpine

stages:
  - build
  - test
  - deploy

build:
  stage: build
  script:
    - npm install -g yarn
    - yarn install
    - yarn build
  when: always
  # tags:
  #   - nodejs-runner
  #   - small-runner
  only:
    - develop
    - uat
    - staging
    - master
    # - tags
  # artifacts:
  #   paths:
  #     - build/
  #     - node_modules/
  #   expire_in: 1 week

# test:
#   stage: test
#   script:
#     - yarn test

deploy-dev:
  stage: deploy
  image: alpine:latest
  script:
    - echo "Preparing ssh-agent"
    - apk add --no-cache openssh-client
    - 'which ssh-agent || ( apk add --no-cache openssh )'
    - eval $(ssh-agent -s)
    - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null
    - mkdir -p ~/.ssh
    - chmod 700 ~/.ssh
    - touch ~/.ssh/known_hosts
    - chmod 644 ~/.ssh/known_hosts
    - ssh-keyscan -H $DEVELOP_SERVER >> ~/.ssh/known_hosts
    - echo "Finished ssh-agent"
    - ssh -o StrictHostKeyChecking=no ubuntu@$DEVELOP_SERVER -t '/home/ubuntu/devops/deploy.sh'
  only:
    - develop
  needs:
    - build
  when: on_success