GitHub action to build and push container and helm chart to ghcr.io

release.yaml

name: Example of building a container and it's relevant helm chart, and pushing to container registry

on:
  release:
    types: [ published ]

permissions:
  contents: read

jobs:
  container-build-and-push:

    name: Build container and push
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - uses: actions/checkout@v4
      
      # ==================
      # Container
      # ==================
      - name: Build and publish a Docker image for ${{ github.repository }}
        uses: macbre/push-to-ghcr@master
        with:
          image_name: ${{ github.repository }}  # it will be lowercased internally
          github_token: ${{ secrets.GITHUB_TOKEN }}

      # ==================
      # Helm
      # ==================
      - name: Package Helm chart
        working-directory: charts
        run: |
          helm package --dependency-update <INSERT CHART NAME> --version ${GITHUB_REF_NAME} --app-version ${GITHUB_REF_NAME} # Chart is code, thus chart is versioned with the code
      - name: Login with ephemeral token to ghcr.io
        working-directory: charts
        run: |
          echo ${{ secrets.GITHUB_TOKEN }} | helm registry login ghcr.io -u $ --password-stdin

      - name: Push Helm chart to oci://ghcr.io
        working-directory: charts
        run: |
          helm push <INSERT CHART NAME>-${GITHUB_REF_NAME}.tgz oci://ghcr.io/${GITHUB_REPOSITORY_OWNER}/charts