docker.yml

name: Docker
on:
  push:
  schedule:
    - cron: "42 2 2 * *"
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  REPO_NAME: ${{ github.repository }}

jobs:
  buildDockerImage:
    name: Build Docker image
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: nschloe/action-cached-lfs-checkout@v1
        with:
          submodules: recursive
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Repo name
        run: echo "IMAGE_ID=$(echo ${{ env.REGISTRY }}/${{ env.REPO_NAME }} | tr '[A-Z]' '[a-z]')" >> $GITHUB_ENV
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v3
        with:
          images: "${{ env.IMAGE_ID }}"
          flavor: latest=true
          tags: type=sha, prefix={{date 'YYYYMMDD'}}-
      - name: Build and push Docker image
        uses: docker/build-push-action@v2
        with:
          context: .
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          push: ${{ github.ref == 'refs/heads/main' }}