docker.yaml

# https://github.com/docker/build-push-action
# https://docs.github.com/en/actions/learn-github-actions/contexts

name: docker

permissions:
  contents: read
  packages: write
  id-token: write

on:
  push:
    branches:
      - main
    paths-ignore:
      - 'helm/**'

env:
  REGISTRY: ghcr.io

jobs:
  build-push:
    runs-on: ubuntu-latest
    steps:

      - name: version
        run: |
          VERSION=$( date '+%y.%m%d.%H%M' )
          echo "VERSION:$VERSION"
          echo "VERSION=$VERSION" >> $GITHUB_ENV

      - uses: actions/checkout@v4

      - uses: docker/setup-buildx-action@v3

      - uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - uses: docker/metadata-action@v5
        id: meta
        with:
          images: ${{ env.REGISTRY }}/${{ github.repository }}

      - uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ env.REGISTRY }}/${{ github.repository }}:${{ env.VERSION }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max