steps:
  - id: 'Setup Buildx for Multi-Architecture Builds'
    name: 'gcr.io/cloud-builders/docker'
    args: ['buildx', 'create', '--driver', 'docker-container', '--name', 'multiarch', '--use']

  - id: 'Build and Push Image to Artifact Registry'
    name: 'gcr.io/cloud-builders/docker'
    entrypoint: 'bash'
    args:
      - '-c'
      - |
        docker buildx build --platform linux/amd64,linux/arm64 \
          -t ${_AR_REGION}-docker.pkg.dev/$PROJECT_ID/${_AR_REPO_NAME}/${_IMAGE_NAME}:latest \
          -f Dockerfile \
          --push ctx

  - id: 'Create and Push Image to GitHub Container Registry'
    name: 'gcr.io/cloud-builders/docker'
    entrypoint: 'bash'
    secretEnv: ['GH_PAT']
    args:
      - '-c'
      - |
        echo $$GH_PAT | docker login ghcr.io -u $_REGISTRY_USER --password-stdin && \
        docker buildx imagetools create \
          -t ghcr.io/$_REGISTRY_USER/$_IMAGE_NAME:latest \
          ${_AR_REGION}-docker.pkg.dev/$PROJECT_ID/${_AR_REPO_NAME}/${_IMAGE_NAME}:latest && \
        # Tag the image with the branch name (e.g., '3')
        docker buildx imagetools create \
          -t ghcr.io/$_REGISTRY_USER/$_IMAGE_NAME:3 \
          ${_AR_REGION}-docker.pkg.dev/$PROJECT_ID/${_AR_REPO_NAME}/${_IMAGE_NAME}:latest && \
        docker logout ghcr.io

availableSecrets:
  secretManager:
    - versionName: projects/$PROJECT_ID/secrets/alpine-cli-ghcr-token/versions/latest
      env: 'GH_PAT'

substitutions:
  _IMAGE_NAME: 'alpine-cli'
  _BRANCH: '3'
  _REGISTRY_USER: 'jswank'

options:
  logging: CLOUD_LOGGING_ONLY
  substitutionOption: 'ALLOW_LOOSE'