gitlab ci cd sample ssh

image: malikandemir/laravel-application:0.1.0before_script:  - apt-get update -qq  - apt-get install -qq git    # Setup SSH deploy keys  - ‘which ssh-agent || ( apt-get install -qq openssh-client )’  - eval $(ssh-agent -s)  - ssh-add <(echo “$SSH_PRIVATE_KEY”)  - mkdir -p ~/.ssh  - ’[[ -f /.dockerenv ]] && echo -e “Host *\\tStrictHostKeyChecking no\” ~/.ssh/config’ deploy_staging:  stage: build  environment:    name: staging    url: example.com’  script:    - ssh user@host “cd /home/testpaysystem/ && git pull && npm run dev && exit”  only:    - main