build.yaml

name: Build Docker Image

on:
  push:
    branches:
      - main
    paths:
      - 'frontend/**'
      - 'backend/**'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - uses: dorny/paths-filter@v3
      id: filter
      with:
        filters: |
          path1:
            - 'frontend/**'
          path2:
            - 'backend/**'

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push frontend
        if: steps.filter.outputs.path1 == 'true'
        uses: docker/build-push-action@v6
        with:
          build-args: |
            NEXT_PUBLIC_API_BASE_URL=${{ secrets.NEXT_PUBLIC_API_BASE_URL }}
          context: ./frontend
          push: true
          tags: |
            z1yoon/nus-secondhand-market-frontend:${{ github.ref_name }}
            z1yoon/nus-secondhand-market-frontend:${{ github.sha }}

      - name: Build and push backend
        if: steps.filter.outputs.path2 == 'true'
        uses: docker/build-push-action@v6
        with:
          context: ./backend
          push: true
          tags: |
            z1yoon/nus-secondhand-market-backend:${{ github.ref_name }}
            z1yoon/nus-secondhand-market-backend:${{ github.sha }}