name: Test App

on:
    pull_request:

jobs:
    build:
        name: Build Image Without Push
        runs-on: ubuntu-latest
        steps:
            - name: Checkout
              uses: actions/checkout@v4

            - name: Set up QEMU
              uses: docker/setup-qemu-action@v3

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

            - name: Cache Docker layers
              uses: actions/cache@v4
              with:
                  path: /tmp/.buildx-cache
                  key: ${{ runner.os }}-buildx-${{ github.sha }}
                  restore-keys: |
                      ${{ runner.os }}-buildx-

            - name: Build image (no push)
              uses: docker/build-push-action@v5
              with:
                  context: ./
                  push: false # Do NOT push
                  platforms: linux/amd64
                  cache-from: type=local,src=/tmp/.buildx-cache
                  cache-to: type=local,dest=/tmp/.buildx-cache-new

            - name: Move cache
              if: steps.buildx.outcome == 'success'
              run: |
                  rm -rf /tmp/.buildx-cache
                  mv /tmp/.buildx-cache-new /tmp/.buildx-cache