dockerhub-build.yml

name: Build and Push Docker Images

on:
  push:
    branches:
      - main

env:
  DOCKER_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
  DOCKER_PASSWORD: ${{ secrets.DOCKERHUB_PASSWORD }}

jobs:
  build-and-push:
    runs-on: ubuntu-latest

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

      - name: Login to Docker Hub
        run: echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin

      - name: Determine changed Dockerfiles
        id: find-dockerfiles
        run: |
          changed_files=$(git diff --name-only HEAD~1 || git ls-files --exclude='*')
          dockerfiles=$(find . -name "Dockerfile" -printf '%P\n')

          changed_dockerfiles=""
          for file in $dockerfiles; do
            if [[ $changed_files == *"$file"* ]]; then
              changed_dockerfiles+=" $file"
            fi
          done

          echo "::set-output name=changed_dockerfiles::$changed_dockerfiles"

      - name: Build and push Docker images
        run: |
          for dockerfile in ${{ steps.find-dockerfiles.outputs.changed_dockerfiles }}; do
            folder=$(dirname $dockerfile)
            docker build -t dinifarb/activemq:"$folder" "$folder"
            docker push dinifarb/activemq:"$folder"
          done