ci-main.yaml

name: ci-main

on:
  push:
    branches:
      - main

jobs:
  init:
    name: 🧐 Inintialize
    runs-on: ubuntu-latest
    outputs:
      step_init: ${{ steps.check_flag.outputs.step_init }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Check for --no-ci flag in commit message
        id: check_flag
        run: |
          echo "Checking commit message for --no-ci flag..."
          if echo "${{ github.event.head_commit.message }}" | grep -- '--no-ci'; then
            echo "step_init=false" >> $GITHUB_OUTPUT
          else
            echo "step_init=true" >> $GITHUB_OUTPUT
          fi

  build-and-release:
    name: 🚀 Build and Release
    needs: init
    if: ${{ needs.init.outputs.step_init == 'true' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Extract tag
        run: |
          echo "image_version=v$(cat requirements.txt | grep -o '[0-9]\+\.[0-9]\+\.[0-9]\+')" >> $GITHUB_ENV
      
      - name: Check tag format
        run: |
          export TAG_NAME="${{ env.image_version }}"
          if ! [[ "$TAG_NAME" =~ ^v[0-9]+\.[0-9]+(\.[0-9]+)?$ ]]; then
            echo "Tag $TAG_NAME does not meet the required format 'vX.Y.Z'."
            exit 1
          fi

      - name: Check a tag from list
        run: |
          git fetch --unshallow --tags
          export TAG_NAME="${{ env.image_version }}"
          export TAG_EXISTS=$(git tag --list $TAG_NAME)
          if [ -n "$TAG_EXISTS" ]; then
            echo "Tag $TAG_NAME already exists."
            exit 1
          fi

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

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build/Publish as GitHub Package
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            ghcr.io/${{ github.repository }}:latest
            ghcr.io/${{ github.repository }}:${{ env.image_version }}

      - name: Set tag and push in Github
        run: |
          # Set Git identity
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"

          # Check if the tag already exists
          TAG_EXISTS=$(git tag --list ${{ env.image_version }})
          if [ -n "$TAG_EXISTS" ]; then
            echo "Tag ${{ env.image_version }} already exists."
            exit 0
          fi

          # Create and push the new tag
          git tag ${{ env.image_version }}
          git push origin ${{ env.image_version }}

      - name: Create Release
        if: success()
        uses: ncipollo/release-action@v1
        with:
          tag: ${{ env.image_version }}
          name: Release ${{ env.image_version }}
          token: ${{ secrets.GITHUB_TOKEN }}