Multi Region Cloud Training Lab: Part 6 - CI with GitHub Actions and Taskfile

 [GitHub Actions CI]
     |
     | docker build/push (Taskfile)
     v
 [Registry]
     |
     | write IMAGE_TAG file and commit
     v
 [Git Repo]
     |
     v
 [Argo CD notices change and syncs]

name: ci
on:
  push:
    branches: [ main ]
    paths: [ 'app/**' ]
jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write
    steps:
      - uses: actions/checkout@v4
      - uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - uses: arduino/setup-task@v1
      - name: Build and push
        run: |
          TAG=${{ github.sha }} task docker:build docker:push          
      - name: Record tag for GitOps
        run: |
          echo ${{ github.sha }} > deploy/base/echo/IMAGE_TAG
          git config user.name ci && git config user.email ci@example
          git add deploy/base/echo/IMAGE_TAG && git commit -m "bump echo image" && git push