.gitlab-ci.yml

image: python:3.10

stages:
  - deploy
  - promote

deploy-images:
  stage: deploy
  image:
    name: gcr.io/kaniko-project/executor:debug
    entrypoint: [""]
  script:
    - echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"$CI_REGISTRY_USER\",\"password\":\"$CI_REGISTRY_PASSWORD\"}}}" > /kaniko/.docker/config.json
    - executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/Dockerfile --destination $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG-alpine
    - executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/Dockerfile --destination $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG-slim-bullseye --build-arg PYTHON_FLAVOR=slim-bullseye
  rules:
    - if: $CI_COMMIT_TAG

tag-latest:
  stage: promote
  image:
    name: gcr.io/go-containerregistry/crane:debug
    entrypoint: [""]
  script:
    - crane auth login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    - crane tag $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG-alpine ${CI_COMMIT_TAG}       # /python-gitlab:v1.2.3
    - crane tag $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG-alpine latest                 # /python-gitlab:latest
    - crane tag $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG-alpine alpine                 # /python-gitlab:alpine
    - crane tag $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG-slim-bullseye slim-bullseye   # /python-gitlab:slim-bullseye
  rules:
    - if: $CI_COMMIT_TAG