name: Build and Push Docker images

on:
  workflow_dispatch:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v2

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

      - name: Log in to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build frontend Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: app.dockerfile
          push: false
          tags: ${{ secrets.DOCKER_USERNAME }}/perplexica-frontend:latest

      - name: Build backend Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: backend.dockerfile
          push: false
          tags: ${{ secrets.DOCKER_USERNAME }}/perplexica-backend:latest

      - name: Push frontend Docker image
        if: github.event_name != 'pull_request'
        uses: docker/build-push-action@v5
        with:
          context: .
          file: app.dockerfile
          push: true
          tags: ${{ secrets.DOCKER_USERNAME }}/perplexica-frontend:latest

      - name: Push backend Docker image
        if: github.event_name != 'pull_request'
        uses: docker/build-push-action@v5
        with:
          context: .
          file: backend.dockerfile
          push: true
          tags: ${{ secrets.DOCKER_USERNAME }}/perplexica-backend:latest

      - name: Log out from Docker Hub
        if: github.event_name != 'pull_request'
        run: docker logout