image: docker:latest

stages:
    - publish

docker:
    stage: publish
    before_script:
        - docker login -u $CI_REGISTRY_USER -p $CI_JOB_TOKEN $CI_REGISTRY
    script:
        - docker build --no-cache -t "$CI_REGISTRY_IMAGE:latest" -t ztimson/node-exporter:latest .
        - docker push "$CI_REGISTRY_IMAGE:latest"
        - docker push "ztimson/node-exporter:latest"
    rules:
        - if: $CI_COMMIT_BRANCH