Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -13,6 +13,18 @@ build:
         - docker push anashwaraanu/micro_service_cicd:latest
         - docker logout
         
+workflow:
+  rules:
+    - if: $CI_MERGE_REQUEST_APPROVED
+....
+stagename:
+   stage: stage
+   only:
+    - branchname
+    - merge_requests
+   except:
+    - master        
+    
 
 test:
     stage: test