update-dockerhub.yml

name: Dockerhub

on:
  push:
    paths:
      - 'docker/Dockerfile'

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Set up QEMU for architectures
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Login to DockerHub
        uses: docker/login-action@v1 
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Build and push
        uses: docker/build-push-action@v2
        with:
          builder: ${{ steps.buildx.outputs.name }}
          file: ./docker/Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: tobitflatscher/latexmk:latest
      - name: Trigger release workflow
        if: success()
        uses: peter-evans/repository-dispatch@v2
        with:
          token: ${{ secrets.REPO_ACCESS_TOKEN }}
          repository: ${{ github.repository }}
          event-type: trigger-release