Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -1,4 +1,8 @@
 image: docker:latest
+stages:
+  - test
+  - build
+  - push
 
 test:
   stage: test
@@ -18,11 +22,11 @@ before_script:
       sleep 5
     done
 
-stages:
+
-  - build
-  - push
 
 build:
+  needs:
+    - test
   stage: build
   script:
     - docker info
@@ -30,6 +34,8 @@ build:
     - docker tag $CI_REGISTRY/$CI_PROJECT_PATH:$CI_COMMIT_REF_SLUG $CI_REGISTRY/$CI_PROJECT_PATH:latest
 
 push:
+  needs:
+    - build
   stage: push
   script:
     - echo "$CI_REGISTRY_PASSWORD" | docker login -u "$CI_REGISTRY_USER" --password-stdin $CI_REGISTRY