use template smoketest.

.gitlab-ci.yml

@@ -8,22 +8,10 @@ deploy:
 dockertest:
   extends: .dockertest
 smoketest:
-  #extends: .smoketest
+  extends: .smoketest
   image: node:lts-alpine
   variables:
     port: 80
     command: node 4.js
-    timeout: 5
   before_script:
     - npm ci
-  script:
-    - $command &
-    - |
-      PID=$!
-      sleep $timeout
-      if [ -n "$port" ]; then
-        nc -z localhost $port
-      fi
-      kill $PID
-  after_script:
-    - kill $PID