Connect to GCP's Artifact Registry via Github Actions

gistfile1.md

If you're also about to migrate from Container Registry into Artifact Registry and has to adapt your Github Actions pipelines to do so, the migration itself is very simple

  steps:
      ...
      - id: 'auth'
        uses: 'google-github-actions/auth@v1'
        with:
          # if you're using a .json for a service account
          credentials_json: '${{ secrets.your-service-account-json }}'
          # if you are using workload identity
          token_format: access_token
          workload_identity_provider: <provider-id>
          service_account: <service-account>@<project-id>.iam.gserviceaccount.com
          access_token_lifetime: 600s

      - name: 'Set up Cloud SDK'
        uses: 'google-github-actions/setup-gcloud@v1'

      - name: Use gcloud CLI
        run: gcloud info
      
      # if you're using a .json for a service account
      - name: Login to Artifact Registry
        run: |
          gcloud auth configure-docker us-central1-docker.pkg.dev
      # if you are using workload identity
      - name: Login to Artifact Registry
        uses: docker/login-action@v1
        with:
          registry: us-central1-docker.pkg.dev
          username: oauth2accesstoken
          password: ${{ steps.auth.outputs.access_token }}
      
      - name: Docker build & push
        run: | 
          # Build & push
          docker build -t us-central1-docker.pkg.dev/<project-id>/<registry-name>/<image-name>:<tag> .
          docker push us-central1-docker.pkg.dev/<project-id>/<registry-name>/<image-name>:<tag>
        shell: bash