stages:
  - publish
  - deploy

publish:
  stage: publish
  image: docker:stable
  services:
    - docker:stable-dind
  only:
    - tags
  script:
    - docker info
    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
    - IMAGE="$IMAGE_NAME:$CI_COMMIT_TAG"
    - IMAGE_LATEST="$IMAGE_NAME:latest"
    - docker build . -f ./Dockerfile -t "$IMAGE" --cache-from "$IMAGE_LATEST"
    - docker tag "$IMAGE" "$IMAGE_LATEST"
    - docker push $IMAGE
    - docker push $IMAGE_LATEST

deploy:
  stage: deploy
  image: williamyeh/ansible:ubuntu18.04-onbuild
  only:
    - tags
  script:
    - chmod 600 "$SSH_PRIVATE_KEY_FILE"
    - ansible-playbook --private-key "$SSH_PRIVATE_KEY_FILE" -i "$INVENTORY_FILE" -e "image_name=$IMAGE" -u root ansible/deploy-playbook.yaml