example prefect deploy - deploys new/changed flows

gistfile1.txt

name: Register & Deploy Prefect flows

on:
  push:
  workflow_dispatch:
    inputs:
      pattern:
        description: "Project Name or prohect name Pattern? (defaults to all)"
        required: false
        default: ".*"

permissions:
  contents: read

jobs:

  get-changed-flows-to-deploy:

    runs-on: ubuntu-latest

    outputs:
      environment: ${{ steps.get-branch.outputs.environment }}
      matrix: ${{ steps.set-matrix.outputs.matrix }}

    steps:

    -  name: checkout repo
       uses: actions/checkout@v3
       with:
         fetch-depth: 0

    -  name: get branch and set environment for gh secrets
       id: get-branch
       run: |
        echo "Running on branch ${{ github.ref }}"
        if [ "${{ github.ref }}" = "refs/heads/main" ]; then
          echo "environment=production" >> $GITHUB_OUTPUT
        elif [ "${{ github.ref }}" = "refs/heads/uat" ]; then
          echo "environment=uat" >> $GITHUB_OUTPUT
        else
          echo "environment=test" >> $GITHUB_OUTPUT
        fi

    -  name: get changed files
       id: changed-files
       uses: tj-actions/changed-files@v33
       with:
         json: 'true'
         dir_names: 'true'
         files: |
           projects/**

    #set matrix to be all the folders inside /projects that have changed

    -  id: set-matrix
       name: set matrix of changed files
       run: |
          echo "matrix=${{ steps.changed-files.outputs.all_changed_files }}" >> $GITHUB_OUTPUT

  deploy-flows:

    needs: get-changed-flows-to-deploy

    runs-on: ubuntu-latest

    container:
      image: prefecthq/prefect:2.6.5-python3.10

    if: ${{ needs.get-changed-flows-to-deploy.outputs.matrix != '' && needs.get-changed-flows-to-deploy.outputs.matrix != '[]' }}
    strategy:
      matrix:
        folder: ${{ fromJSON(needs.get-changed-flows-to-deploy.outputs.matrix) }}
      max-parallel: 3

    environment:
       name: ${{ needs.get-changed-flows-to-deploy.outputs.environment }}

    env:
      PREFECT_API_KEY: ${{ secrets.PREFECT_API_KEY }}
      PREFECT_API_URL: ${{ secrets.PREFECT_API_URL }}
      PREFECT_S3_BLOCK: ${{ secrets.PREFECT_S3_BLOCK }}
      PREFECT_WORK_QUEUE: ${{ secrets.PREFECT_WORK_QUEUE }}
      PREFECT_K8_JOB_BLOCK: ${{ secrets.PREFECT_K8_JOB_BLOCK }}

    steps:
      - id: checkout-repo
        name: checkout repo
        uses: actions/checkout@v3

      - id: get-current-folder
        name: echo current folder
        run: |
            echo "${{ matrix.folder }}"

      - id: get-envrionment
        name: echo environment
        shell: bash
        run: echo ${{ needs.establish-environment-job.outputs.environment }}

      - id: install-python-dependencies
        name: install python dependencies
        run: |
            pip install s3fs

      - id: prefect-cloud-login
        name: prefect login
        run: |
            prefect config set PREFECT_API_KEY=${{ secrets.PREFECT_API_KEY }}
            prefect config set PREFECT_API_URL=${{ secrets.PREFECT_API_KEY }}
            prefect work-queue ls

      - id: install-flow-requirments
        name: install flow python dependencies
        run: |
            cd ${{ matrix.folder }}
            pip install -r requirements.txt

      - id: deploy-flows
        name: prefect deploy flows
        run: |
            cd ${{ matrix.folder }}
            find -name "*.deployment.py" | while read fname; do
                python $fname
                echo "deploying $fname"
            done
            echo "############### done ##############"