Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -11,6 +11,7 @@ variables:
 stages:
   - quality
   - build
+  - build-push
   - deploy
 
 build-test:
@@ -26,11 +27,11 @@ build-test:
     - dev
     - merge_requests
 
-build:
+build-push:
   image: docker:18.09
   services:
     - docker:18.09-dind
-  stage: build
+  stage: build-push
   only:
     - master
     - dev