Updates to .gitlab-ci.yml

- Remove the manaul stages order, pre-commit now runs in .pre.
- Use a more specific name for building the container image.

.gitlab-ci.yml

@@ -5,12 +5,7 @@ include:
   - project: shore/ci-templates
     file: templates/docker.yml
 
-stages:
-  - test
-  - build
-  - deploy
-
-build:
+docker-build:
   extends: .docker-build-shore
 
 push: