ci: add github actions smoke test

.github/workflows/smoke-test.yml

@@ -0,0 +1,21 @@
+name: Smoke Test
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  smoke-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build image
+        run: |
+          cd test
+          docker-compose build
+      - name: Test image
+        run: |
+          cd test
+          bash -x smoke-test.sh
+        env:
+          CI: true