dockerimage.yml

name: Docker Image CI

on:
  push:
    branches: [ master ]
    paths-ignore:
      - '.github/**'
  pull_request:
    branches: [ master ]
    paths-ignore:
      - '.github/**'

  workflow_dispatch: {}

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      DOCKER_BUILDKIT: 1
      image: webnut

    steps:
      - name: checkout
        uses: actions/checkout@v7
        continue-on-error: true

      - id: hado
        name: hadolint
        uses: hadolint/hadolint-action@v3.5.0
        with:
          dockerfile: Dockerfile
          config: .hadolint.yml
        continue-on-error: true

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v4
        with:
          version: latest
          use: true

      - name: Setup QEMU (multi-arch)
        if: github.event_name == 'push' && github.ref == 'refs/heads/master'
        uses: docker/setup-qemu-action@v4
        with:
          platforms: all

      - name: Builder instance name
        run: echo ${{ steps.buildx.outputs.name }}

      - name: Available platforms
        run: echo ${{ steps.buildx.outputs.platforms }}

      - name: Login to Docker hub
        uses: docker/login-action@v4
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build multi platforms and push
        uses: docker/build-push-action@v7
        with:
          builder: ${{ steps.buildx.outputs.name }}
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ secrets.DOCKER_USERNAME }}/${{ env.image }}:latest
          cache-from: type=registry,ref=${{ secrets.DOCKER_USERNAME }}/${{ env.image }}:buildcache
          cache-to: type=registry,ref=${{ secrets.DOCKER_USERNAME }}/${{ env.image }}:buildcache,mode=max