refactor: use docker build action

Author: mariuswinger

.github/workflows/tests.yaml

@@ -39,19 +39,31 @@ jobs:
   api-integration-tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - name: "Setup: checkout repository"
+        uses: actions/checkout@v4
 
-      - name: "Login to GitHub Container Registry"
+      - name: "Setup: Login to GitHub Container Registry"
         uses: docker/login-action@v3
         with:
           registry: ${{ env.IMAGE_REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Build API image
-        run: |
-          docker pull $API_IMAGE
-          docker build --target development --tag api-development ./api # TODO: --cache-from $API_IMAGE
+      - name: "Setup: Docker Buildx"
+        uses: docker/setup-buildx-action@v3
+
+      - name: "Setup: Build API image"
+        uses: docker/build-push-action@v6
+        with:
+          context: ./api
+          target: development
+          tags: ${{ env.API_IMAGE }}
+          cache-from: type=registry,ref=user/app:buildcache
+
+      # - name: Build API image
+      #   run: |
+      #     docker pull $API_IMAGE
+      #     docker build --target development --tag api-development ./api # TODO: --cache-from $API_IMAGE
 
       - name: BDD Integration tests
         if: ${{ false }} # disable for now