Leaving out extra definition of mongodb stuff since its already passed by vars

.gitlab-ci.yml

 image: node:12.16.3
 
-# Info: http://docs.gitlab.com/ee/ci/docker/using_docker_images.html#what-is-a-service
-services:
-  - name: mongo:$MONGODB_VERSION
-    alias: mongodb
-
 variables:
   MONGODB_VERSION: '4.2.6'
   MONGODB_URL: 'mongodb:27017/test'
@@ -22,12 +17,13 @@ test_client:
     - npm run test
     
 test_server:
+  # Info: http://docs.gitlab.com/ee/ci/docker/using_docker_images.html#what-is-a-service
+  services:
+    - name: mongo:$MONGODB_VERSION
+      alias: mongodb
   script:
     - cd app/server
     - npm install
-    - ps -e | grep 
     - PORT=3002 \
-      MONGODB_URL=$MONGODB_URL \
-      JWT_SECRET=$JWT_SECRET \
       npm run test