fix ci/cd

.gitlab-ci.yml

@@ -11,11 +11,8 @@ build:
     - echo "$CI_REGISTRY_PASSWORD" | buildah login -u "$CI_REGISTRY_USER" --password-stdin $CI_REGISTRY
 
   script:
-    - echo "IMAGE_TAG=" $IMAGE_TAG
-    - echo "CI_REGISTRY=" $CI_REGISTRY
-    - echo "CI_REGISTRY_USER=" $CI_REGISTRY_USER
     - buildah images
-    - buildah build -t IMAGE_TAG
+    - buildah build -t $IMAGE_TAG
     - buildah images
     - buildah push $IMAGE_TAG