actions: add docker-tests.yml

.github/workflows/docker-tests.yml

@@ -0,0 +1,21 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build the Docker images
+      run: docker-tests/build-docker-images.sh
+    - name: Run the Docker tests
+      run: docker-tests/run-docker-tests.sh
+