prefect-deploy-only-when-files-change-including-docker-build.yaml

---
name: Build and publish Prefect Deployments & Docker images

"on":
  push:
    branches:
      - main

# Do not grant jobs any permissions by default
permissions: {}

jobs:
  deploy_flows:
    name: Build Prefect deployment images
    runs-on: ubuntu-latest
    permissions:
      # required to read from the repo
      contents: read
      # required to obtain Google Cloud service account credentials
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Filter paths
        uses: dorny/paths-filter@v2
        id: prefect_filter
        with:
          filters: |
            flow_1:
              - deployments/flow-1/**
            flow_2:
              - deployments/flow-2/**

      # The following two steps are specific to authentication against GCP - these are used to allow the workflow to push the 
      # Docker images built to GCP. Plug in your own authentication method if not using GCP
      - name: Authenticate to Google Cloud
        uses: google-github-actions/auth@v1
        with:
          workload_identity_provider: GCP_WORKLOAD_IDENTITY
          service_account: GCP_SERVICE_ACCOUNT
      - name: Configure Google Cloud credential helper
        run: gcloud auth configure-docker --quiet us-docker.pkg.dev

      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.10'

      - name: Auth to Prefect Cloud
        uses: PrefectHQ/actions-prefect-auth@v1
        with:
          prefect-api-key: ${{ secrets.PREFECT_API_KEY }}
          prefect-workspace: PREFECT_ACCOUNT/PREFECT_WORKSPACE

      - name: Deploy flow 1
        if: steps.prefect_filter.outputs.flow_2 == 'true'
        uses: PrefectHQ/actions-prefect-deploy@v3
        with:
          deployment-names: Flow 1
          requirements-file-paths: deployments/flow-1/requirements.txt

      - name: Deploy flow 2
        if: steps.prefect_filter.outputs.flow_1 == 'true'
        uses: PrefectHQ/actions-prefect-deploy@v3
        with:
          deployment-names: Flow 2
          requirements-file-paths: deployments/flow-2/requirements.txt