docker.yml

name: Build & publish container image

on:
  workflow_dispatch:
  schedule:
    - cron: "0 0 * * SAT" # every saturday at midnight
  push:
    branches:
      - "master"

jobs:
  build-image:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v3
        with:
          push: true
          tags: ghcr.io/${{ github.repository }}:latest