Added .gitlab-ci.yml

stages:

  - dockerize

.docker-build-definition: &docker-build-template

  stage: dockerize

  tags:

    - shell

  only:

    - master

script:

    - docker login -u "${CI_REGISTRY_USER}" -p "${CI_REGISTRY_PASSWORD}" "${CI_REGISTRY}"

    - docker build -t "${CI_REGISTRY_IMAGE}:${IMAGE_TAG}" ${IMAGE_TAG}

    - docker push "${CI_REGISTRY_IMAGE}:${IMAGE_TAG}"

dockerize_file_catalog:

  <<: *docker-build-template

  variables:

    IMAGE_TAG: file_catalog