docker-hub.yml

name: Docker Image Push

on:
  push:
    branches: [main]
  merge_group:
  pull_request:
    branches: [main]
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

# Automatically cancel in-progress actions on the same branch
concurrency:
  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request_target' && github.head_ref || github.ref }}
  cancel-in-progress: true

env:
  REGISTRY: docker.io
  IMAGE_NAME: trueberryless/trueberryless
  NODE_VERSION: 18

jobs:  
  docker-push-image:
    if: contains(github.event.head_commit.message, 'version') || github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-latest  
    permissions:
      contents: write
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      
      - name: Check if file exists
        run: |
          if [ -f .github/artifacts/version.json ]; then
            echo "File exists"
            echo "FILE_EXISTS=true" >> $GITHUB_ENV
          else
            echo "File does not exist"
            echo "FILE_EXISTS=false" >> $GITHUB_ENV
          fi
      
      - name: read_json
        if: ${{ env.FILE_EXISTS == 'true' }}
        id: version
        uses: zoexx/github-action-json-file-properties@release
        with:
          file_path: ".github/artifacts/version.json"
          
      - name: save environment variables
        if: ${{ env.FILE_EXISTS == 'true' }}
        run: |
          echo "MAJOR=${{steps.version.outputs.major}}" >> $GITHUB_ENV
          echo "MINOR=${{steps.version.outputs.minor}}" >> $GITHUB_ENV
          echo "PATCH=${{steps.version.outputs.patch}}" >> $GITHUB_ENV
          
      - name: create environment variables        
        if: ${{ env.FILE_EXISTS == 'false' }}
        run: |
          echo "MAJOR=0" >> $GITHUB_ENV
          echo "MINOR=0" >> $GITHUB_ENV
          echo "PATCH=0" >> $GITHUB_ENV          
      
      - name: echo environment variables
        run: |
          echo ${{ env.MINOR }}
          echo ${{ env.MINOR }}
          echo ${{ env.MINOR }}
      
      - name: Major version
        if: contains(github.event.head_commit.message, 'major')
        run: |
          echo "New major version"
          echo "MAJOR=$((${{ env.MAJOR }}+1))" >> $GITHUB_ENV
          echo "MINOR=0" >> $GITHUB_ENV
          echo "PATCH=0" >> $GITHUB_ENV

      - name: Minor version
        if: contains(github.event.head_commit.message, 'minor')
        run: |
          echo "New minor version"
          echo "MINOR=$((${{ env.MINOR }}+1))" >> $GITHUB_ENV
          echo "PATCH=0" >> $GITHUB_ENV
        
      - name: Patch version
        if: contains(github.event.head_commit.message, 'patch') || github.event_name == 'workflow_dispatch'
        run: |
          echo "New patch version"
          echo "PATCH=$((${{ env.PATCH }}+1))" >> $GITHUB_ENV

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: |
            ${{ env.IMAGE_NAME }}:${{ env.MAJOR}}.${{ env.MINOR}}.${{ env.PATCH}}
            ${{ env.IMAGE_NAME }}:latest
          labels: ${{ steps.meta.outputs.labels }}
      
      - name: Check out the repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
        
      - name: Create folder if necessary
        if: ${{ env.FILE_EXISTS == 'false' }} 
        run: mkdir -p .github/artifacts
      
      - name: write_json
        id: create-json
        uses: jsdaniell/create-json@v1.2.2
        with:
          name: "version.json"
          json: '{ "major": ${{ env.MAJOR }}, "minor": ${{ env.MINOR }}, "patch": ${{ env.PATCH }} }'
          dir: '.github/artifacts/'
          
      - uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: update version.json (automated)