Run podinfo on Travis Kubernetes in Docker

.travis.yml

@@ -24,6 +24,10 @@ before_install:
 script:
   - make test
   - make build docker-build
+  - docker build -t podinfo:test -f Dockerfile.ci .
+  - ./kubectl run podinfo --image=podinfo:test -- ./podinfo --port=9898
+  - sleep 5
+  - ./kubectl describe deployment podinfo
 
 after_success:
   - if [ -z "$DOCKER_USER" ]; then