dockerhub-build-push-on-push.yml

name: Build & Push - Dev
# Automatically builds and pushes a multi-platform dev image based on commits involving key files

on:
  push:
    paths:
      - 'empty_library/**'
      - 'root/**'
      - 'scripts/**'
      - '**/Dockerfile'

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: DockerHub Login
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_PA_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          push: true
          build-args: |
            BUILD_DATE=${{ github.event.repository.updated_at }}
            VERSION=${{ vars.CURRENT_DEV_VERSION }}-DEV_BUILD-${{ vars.CURRENT_DEV_BUILD_NUM }}
          tags: |
            ${{ secrets.DOCKERHUB_USERNAME }}/calibre-web-automated:dev
          
          platforms: linux/amd64,linux/arm64

      - name: Increment dev build number
        uses: action-pack/increment@v2
        id: increment
        with:
          name: 'CURRENT_DEV_BUILD_NUM'
          token: ${{ secrets.DEV_BUILD_NUM_INCREMENTOR_TOKEN }}