docker-publish.yml

name: custom-ftp-server build

on:
  schedule:
    - cron: "0 0 * * 0"
  push:
    branches:
      - "**"
    tags:
      - "v*.*.*"
  pull_request:
    branches: [ "main" ]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:

  build:

    runs-on: ubuntu-latest

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

    - name: Run curl command to get latest version
      id: curl_output
      run: |
        tag_name=$(date +"%y.%m.0")

        # Remove the leading 'v' from tag_name
        echo "latest_version=${tag_name#v}" >> $GITHUB_OUTPUT
        
    - name: Display latest version
      run: |
        echo "Latest Version: ${{ steps.curl_output.outputs.latest_version }}"

    - name: Read version from file
      id: read_version
      run: |
        echo "version=$(cat version.txt)" >> $GITHUB_OUTPUT

    - name: Display version from file
      run: |
        echo "Version from File: ${{ steps.read_version.outputs.version }}"

    - name: Check if versions are different
      id: check_versions
      run: |
        if [ "${{ steps.curl_output.outputs.latest_version }}" != "${{ steps.read_version.outputs.version }}" ]; then
          echo "Versions are different, running Docker build..."
          git checkout -b version-update-${{ github.run_number }}
          echo "${{ steps.curl_output.outputs.latest_version }}" > version.txt            
          echo "build_docker=true" >> $GITHUB_OUTPUT
        else
          echo "Versions are the same, skipping Docker build."
          echo "build_docker=false" >> $GITHUB_OUTPUT
        fi

    - name: Commit and push changes
      if: steps.check_versions.outputs.build_docker == 'true'
      run: |
        git add version.txt
        git config --global user.email "github-actions-bot@freeops.dev"
        git config --global user.name "GitHub Actions Bot"
        git commit -m "Update version to ${{ steps.curl_output.outputs.latest_version }}"
        git push origin version-update-${{ github.run_number }}

    - name: Create pull request
      if: steps.check_versions.outputs.build_docker == 'true'
      uses: actions/github-script@v6
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}
        script: |
          const pr = await github.rest.pulls.create({
            owner: context.repo.owner,
            repo: context.repo.repo,
            title: `Update version to ${{ steps.curl_output.outputs.latest_version }}`,
            body: 'Automated pull request to update version.',
            head: `version-update-${context.runNumber}`,
            base: 'main'
          });

    - name: Docker meta
      id: meta
      uses: docker/metadata-action@v4
      with:
        # list of Docker images to use as base name for tags
        images: |
          haravich/custom-ftp-server
          ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
        # generate Docker tags based on the following events/attributes
        tags: |
          type=schedule,pattern={{date 'YYYYMMDD'}}
          type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
          type=ref,event=branch
          type=semver,pattern={{version}}
          type=sha,prefix=main-,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2
    
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2
      
    - name: Login to Docker Hub
      if: github.event_name != 'pull_request'
      uses: docker/login-action@v2
      with:
        username: ${{ secrets.DOCKERHUB_USERNAME }}
        password: ${{ secrets.DOCKERHUB_TOKEN }}
    
    - name: Login to GHCR
      if: github.event_name != 'pull_request'
      uses: docker/login-action@v2
      with:
        registry: ${{ env.REGISTRY }}
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Build and push
      uses: docker/build-push-action@v4
      with:
        platforms: linux/amd64,linux/arm64
        push: ${{ github.event_name != 'pull_request' }}
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}