do not use dind for performance reasons

.gitlab-ci.yml

 image: docker:19.03.1
-services:
-  - docker:19.03.1-dind
 
 stages:
   - build
@@ -16,7 +14,7 @@ build:
   stage: build
   script:
     - docker pull ${CI_REGISTRY_IMAGE}:latest || true
-    - docker build --cache-from ${CI_REGISTRY_IMAGE}:latest
+    - docker build --cache-from ${CI_REGISTRY_IMAGE}:latestci
                    --tag ${CI_REGISTRY_IMAGE}:${CI_COMMIT_REF_SLUG}
                    --tag ${CI_REGISTRY_IMAGE}:latest .
     - docker push ${CI_REGISTRY_IMAGE}:${CI_COMMIT_REF_SLUG}