Gitlab CI/CD pipeline yml file

.gitlab-ci.yml

---
image: alpine:latest

stages:
  - deploy

stage-deploy:
  stage: deploy
  environment:
    name: staging
    url: http://example.com
  when: manual
  before_script:
    - 'command -v ssh-agent >/dev/null || ( apk add --update openssh )' 
    - eval $(ssh-agent -s)
    - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add -
    - mkdir -p ~/.ssh
    - chmod 700 ~/.ssh
    - ssh-keyscan -p $PORT $HOST >> ~/.ssh/known_hosts
    - chmod 644 ~/.ssh/known_hosts
  script:
    - ssh -p $PORT $SSH_USER@$HOST "cd /deployed_path && git pull && more-commands"