Added test assets for Docker strategy

.github/workflows/actions.yml

@@ -46,6 +46,7 @@ jobs:
         with:
           strategy: docker
           tag_prefix: test_docker_
+          root: ./test
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 

test/Dockerfile

@@ -0,0 +1,6 @@
+FROM node:13-alpine
+LABEL version=1.1.0
+ADD ./app /app
+WORKDIR /app
+RUN cd /app && npm i
+CMD ["node", "/app/main.js"]