Adding integration test

Signed-off-by: Rahul Sinha <[email protected]>

Author: rahulwa

integration/examples/nodejs/backend/Dockerfile

@@ -1,8 +1,10 @@
 FROM node:8.12.0-alpine
 
+ARG SCRIPT
+ENV SCRIPT ${SCRIPT}
 WORKDIR /opt/backend
 EXPOSE 3000
-CMD ["npm", "run", "dev"]
+CMD ["npm", "run", ${SCRIPT}]
 
 COPY . .
 RUN npm install

integration/examples/nodejs/skaffold.yaml

@@ -4,6 +4,9 @@ build:
   artifacts:
   - image: gcr.io/k8s-skaffold/node-example
     context: backend
+    docker:
+      buildArgs:
+        SCRIPT: "{{.SCRIPT_ENV}}"
     sync:
       '*.js': .
 deploy:

integration/run_test.go

@@ -45,6 +45,7 @@ func TestRun(t *testing.T) {
 		}, {
 			description: "nodejs",
 			dir:         "examples/nodejs",
+			env:         []string{"SCRIPT_ENV=dev"},
 			pods:        []string{"node"},
 		}, {
 			description: "structure-tests",