fix(cicd): variable usage was making deploy job fail

.gitlab-ci.yml

@@ -10,12 +10,13 @@ default:
       alias: docker
 
 variables:
-  DOCKER_TLS_CERTDIR: ''
-  DOCKER_HOST: tcp://docker:2375/
-  DOCKER_DRIVER: overlay2
   DEPENDENCY_PROXY: ${CI_DEPENDENCY_PROXY_DIRECT_GROUP_IMAGE_PREFIX}/
 
 build:
+  variables:
+    DOCKER_TLS_CERTDIR: ''
+    DOCKER_HOST: tcp://docker:2375/
+    DOCKER_DRIVER: overlay2
   image: ${CI_DEPENDENCY_PROXY_DIRECT_GROUP_IMAGE_PREFIX}/docker:18.09
   only:
     - dev
@@ -28,6 +29,10 @@ build:
     - docker push "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG"
 
 build_branch:
+  variables:
+    DOCKER_TLS_CERTDIR: ''
+    DOCKER_HOST: tcp://docker:2375/
+    DOCKER_DRIVER: overlay2
   image: ${CI_DEPENDENCY_PROXY_DIRECT_GROUP_IMAGE_PREFIX}/docker:18.09
   stage: build
   except:
@@ -40,6 +45,10 @@ build_branch:
     - docker push "$CI_REGISTRY_IMAGE/feat:$CI_COMMIT_REF_SLUG"
 
 build-release:
+  variables:
+    DOCKER_TLS_CERTDIR: ''
+    DOCKER_HOST: tcp://docker:2375/
+    DOCKER_DRIVER: overlay2
   image: ${CI_DEPENDENCY_PROXY_DIRECT_GROUP_IMAGE_PREFIX}/docker:18.09
   services:
     - ${CI_DEPENDENCY_PROXY_DIRECT_GROUP_IMAGE_PREFIX}/:18.09-dind
@@ -53,7 +62,6 @@ build-release:
 
 deploy_dev:
   stage: deploy
-  variables: {}
   tags:
     - deploy
   only:
@@ -71,7 +79,6 @@ deploy_dev:
 test:
   stage: test
   image: ${CI_DEPENDENCY_PROXY_DIRECT_GROUP_IMAGE_PREFIX}/node:14.15.4
-  variables: {}
   services:
     - name: ${CI_DEPENDENCY_PROXY_DIRECT_GROUP_IMAGE_PREFIX}/elasticsearch:7.16.2
       alias: elasticsearch