build:
  stage: build
  image: alpine:3.13
  script:
    - apk add openssh-client
    - eval $(ssh-agent -s)
    - echo "$CI_KEY" | ssh-add -
    - ssh -o StrictHostKeyChecking=no ci@$CI_HOST "cd alpine-repo && git pull && ./build.sh"
  rules:
    - if: '$CI_COMMIT_BRANCH == "master"'