documentation: https://docs.gitlab.com/ee/ci/quick_start/ TODO:
    * docker in docker for building * ssh support with project variables and the whole ssh setup
example to conection: deploy: image: docker:19.03.12 services: - docker:19.03.12-dind stage: deploy variables: TARGET_HOST: "ssh -o StrictHostKeyChecking=no -i $SSH_KEY users@host" before_script: - chmod 400 $SSH_KEY script: - ls - apk update && apk add openssh - ssh -o StrictHostKeyChecking=no -i $SSH_KEY users@host "command"