build the Dockerimage used in CI

.gitlab-ci.yml

@@ -7,16 +7,13 @@ stages:
 build docker:
   stage: prebuild
   image:
-    name: gcr.io/kaniko-project/executor:debug
+    name: docker:dind
     entrypoint: [""]
-  before_script:
-    - docker login -u $CI_DEPLOY_USER -p $CI_DEPLOY_PASSWORD $CI_REGISTRY
-    - export CI_REF=${CI_COMMIT_TAG:-latest}
   script:
-    - /kaniko/executor
-      --context $CI_PROJECT_DIR
-      --dockerfile $CI_PROJECT_DIR/Dockerfile
-      --destination $CI_REGISTRY_IMAGE:$CI_REF
+    - docker login -u $CI_DEPLOY_USER -p $CI_DEPLOY_PASSWORD $CI_REGISTRY
+    - docker build -t $CI_REGISTRY_IMAGE .
+    - docker push $CI_REGISTRY_IMAGE
+
 
 test:
   stage: test