default__build-push-docker.yml

name: Build and push Docker

on:
  push:
    branches:
      - 'main'
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+'
  pull_request:
    branches:
      - 'disabled-main'
  workflow_dispatch:

env:
  IMAGE_NAME: ${{ github.event.repository.name }}
  SITE_URL_ARM64: 'https://nmc-docker.arm1.nemanjamitic.com'
  SITE_URL_AMD64: 'https://nmc-docker.local.nemanjamitic.com'
  PLAUSIBLE_SCRIPT_URL: 'https://plausible.arm1.nemanjamitic.com/js/script.js'

jobs:
  build:
    name: Build and push docker image
    runs-on: ubuntu-latest
    strategy:
      matrix:
        platform: [linux/amd64, linux/arm64]

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Print commit id, message and tag
        run: |
          git show -s --format='%h %s'
          echo "github.ref -> {{ github.ref }}"

      # for arm image
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Docker metadata
        # disable this step
        if: false
        id: metadata
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value={{sha}},enable=${{ github.ref_type != 'tag' }}

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        # if: ${{ github.ref_type == 'tag' }}
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Set environment variables for each architecture
        run: |
          if [[ "${{ matrix.platform }}" == "linux/amd64" ]]; then
            echo "SITE_URL=${{ env.SITE_URL_AMD64 }}" >> $GITHUB_ENV
          elif [[ "${{ matrix.platform }}" == "linux/arm64" ]]; then
            echo "SITE_URL=${{ env.SITE_URL_ARM64 }}" >> $GITHUB_ENV
          fi

      # Must be in separate step to reflect
      - name: Debug assigned environment variable
        run: |
          echo "Debug: PLATFORM: ${{ matrix.platform }}, SITE_URL: ${{ env.SITE_URL }}"

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          # src dir
          context: ./
          # Dockerfile dir
          file: ./docker/Dockerfile
          # platforms: linux/amd64,linux/arm64
          platforms: ${{ matrix.platform }}
          build-args: |
            "ARG_SITE_URL=${{ env.SITE_URL }}"
            "ARG_PLAUSIBLE_SCRIPT_URL=${{ env.PLAUSIBLE_SCRIPT_URL }}"
          push: true
          tags: ${{ secrets.DOCKER_USERNAME }}/${{ env.IMAGE_NAME }}:latest
          # disabled metadata step
          # tags: ${{ steps.metadata.outputs.tags }}
          # labels: ${{ steps.metadata.outputs.labels }}
          cache-from: type=registry,ref=${{ secrets.DOCKER_USERNAME }}/${{ env.IMAGE_NAME }}:buildcache
          cache-to: type=registry,ref=${{ secrets.DOCKER_USERNAME }}/${{ env.IMAGE_NAME }}:buildcache,mode=max
          # cache-to: type=inline