chore: Add docker image tests - container-structure-test-config and dive-ci (#365)

.github/workflows/build-image-test.yaml

@@ -2,10 +2,12 @@ name: "Build Dockerfile if changed and run smoke tests"
 
 on: [pull_request]
 
+env:
+  IMAGE_TAG: pr-test
+
 jobs:
   build:
     runs-on: ubuntu-latest
-    name: Test changed-files
     steps:
       - uses: actions/checkout@v2
         with:
@@ -28,4 +30,19 @@ jobs:
           platforms: linux/amd64
           push: false
           tags: |
-            ghcr.io/${{ github.repository }}:pr-test
+            ghcr.io/${{ github.repository }}:${{ env.IMAGE_TAG }}
+
+      - name: Run structure tests
+        if: steps.changed-files-specific.outputs.any_changed == 'true'
+        uses: plexsystems/container-structure-test-action@v0.1.0
+        with:
+          image: ghcr.io/${{ github.repository }}:${{ env.IMAGE_TAG }}
+          config: .github/.container-structure-test-config.yaml
+
+      - name: Dive - check image for waste files
+        if: steps.changed-files-specific.outputs.any_changed == 'true'
+        uses: MaxymVlasov/dive-action@v0.1.0
+        with:
+          image: ghcr.io/${{ github.repository }}:${{ env.IMAGE_TAG }}
+          config-file: ${{ github.workspace }}/.github/.dive-ci.yaml
+          github-token: ${{ secrets.GITHUB_TOKEN }}