fix(ci): Swapped to buildx.

Signed-off-by: Johannes Tegnér <johannes@jitesoft.com>

Author: Johannestegner

.gitlab-ci.yml

@@ -42,13 +42,10 @@ containerize:
     - when: never
   image: registry.gitlab.com/jitesoft/dockerfiles/misc:latest
   script:
-    - docker build -t ${CI_REGISTRY_IMAGE}:${CI_COMMIT_TAG} --build-arg "VERSION=${CI_COMMIT_TAG}" -f cc-gen/Dockerfile .
-    - docker push ${CI_REGISTRY_IMAGE}:${CI_COMMIT_TAG}
+    - docker buildx build --platforms linux/amd64 --push -t ${CI_REGISTRY_IMAGE}:${CI_COMMIT_TAG} --build-arg "VERSION=${CI_COMMIT_TAG}" -f cc-gen/Dockerfile .
   tags:
-    - jitesoft
     - protected
-    - amd64
-    - docker
+    - buildx
 
 create_release:
   stage: pre-release