gitlab-kaniko.yaml

---
stages:
  - build

build-image:
  stage: build

  image:
    # Use Google's Kaniko builder
    name: gcr.io/kaniko-project/executor:debug
    entrypoint: [""]

  variables:
    # Determine the image name based on the repository n
    IMAGE: "${CI_REGISTRY_IMAGE}:${CI_BUILD_REF_SLUG}"

  before_script:
    # Ensure Kaniko's docker config folder exists
    - mkdir -p /kaniko/.docker
    # Write registry credentials
    - printf '{"auths":{"%s":{"username":"%s","password":"%s"}}}\n' "${IMAGE/:master/:latest}" "$CI_REGISTRY_USER" "$CI_REGISTRY_PASSWORD" > /kaniko/.docker/config.json

  script:
    # Build & push image; use VSHN's Dockerhub mirror to pull
    - /kaniko/executor --context "$CI_PROJECT_DIR" --destination "${IMAGE/:master/:latest}" --registry-mirror dockerhub.vshn.net

  after_script:
    # Clean up registry credentials
    - rm -f /kaniko/.docker/config.json