use normal dockerfile in feature branch

.gitlab-ci.yml

@@ -139,7 +139,7 @@ indexerhelper:build-feature-branch-image:
         REGISTRY_PASSWORD: "$CI_REGISTRY_PASSWORD"
         REGISTRY_USER: "$CI_REGISTRY_USER"
         REGISTRY: "$CI_REGISTRY"
-        DOCKERFILE: "Dockerfile.small"
+        DOCKERFILE: "Dockerfile"
     except:
         - master
         - tags