Update .gitlab-ci.yml

.gitlab-ci.yml

 stages: 
-    - build 
+    - build
+    - cleanup_build_job
 
 build dev: 
     stage: build
@@ -31,6 +32,15 @@ build dev:
     script: 
         - echo "Building dev environment DONE"
         - echo "Closed"
+
+
+cleanup_build_job:
+  stage: cleanup_build
+  script:
+    - echo "Deleting folder"
+     - ssh -tt centos@13.251.192.208 "sudo rm -rf /var/www/gitlab_variable_red/dev"
+     - echo "Folder for dev already deleted"
+  when: on_failure