.gitlab-ci.yml

image: docker:19.03

services:
  - docker:dind

variables:
  FULL_IMAGE_NAME: $CI_REGISTRY/mollybet/kustomize-sopsgenerator/kustomizer

create_image:
  only:
    - tags
  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    # Alias version names so it's easier to understand what's going on below.
    # The `| rev | cut -d"." -f2-  | rev` just pops the last rightmost fragment of
    # the version
    - export MAJOR_MINOR_PATCH=${CI_COMMIT_TAG#v}
    - export MAJOR_MINOR=$(echo $MAJOR_MINOR_PATCH | cut -d. -f1-2)
    - export MAJOR=$(echo $MAJOR_MINOR | cut -d. -f1)
  script:
    # Publish latest
    - docker build -t $FULL_IMAGE_NAME:latest .
    - docker push $FULL_IMAGE_NAME:latest

    # Publish patch
    - docker tag $FULL_IMAGE_NAME:latest $FULL_IMAGE_NAME:$MAJOR_MINOR_PATCH
    - docker push $FULL_IMAGE_NAME:$MAJOR_MINOR_PATCH

    # Overwrite major minor version
    - docker tag $FULL_IMAGE_NAME:latest $FULL_IMAGE_NAME:$MAJOR_MINOR
    - docker push $FULL_IMAGE_NAME:$MAJOR_MINOR

    # Overwrite major version
    - docker tag $FULL_IMAGE_NAME:latest $FULL_IMAGE_NAME:$MAJOR
    - docker push $FULL_IMAGE_NAME:$MAJOR