Update .gitlab-ci.yml

.gitlab-ci.yml

-#This declares the pipeline stages 
+#This declares the pipeline stages  
+image: node:13.1
+
 stages:
   - build
   - test
+  - deploy
   
+cache:
+  keys: ${CI_COMMIT_REF_SLUG}
+  paths:
+  - node_modules/
   
 build:
   stage: build
   script:
-  - echo "Initiliaze build task..."
-  - ./gradlew clean build
-  - echo "Finalized build task..."
-  artifacts:
-    untracked: true
+    - npm install
+    - npm run-script build
+  tags:
+    - general
+    
+test:
+  stage: test
+  script:
+    - echo "Running react test suite......"
+  tags:
+    - general
+    
+deploy:
+  stage: deploy
+  script:
+    - npm run-script deploy
   tags:
-    - build  
+    - general
 
-test: 
-    script:    
-        - echo "OK"
-    tags: 
-        - general