Small restructure

.gitlab-ci.yml

@@ -40,5 +40,9 @@ build-git:
   script:
     - docker load --input "./images/$CI_REGISTRY_IMAGE_$CI_COMMIT_SHORT_SHA.tar"
     - docker image ls
-    - docker build --build-arg "CI_COMMIT_SHORT_SHA=$CI_COMMIT_SHORT_SHA" -t "$CI_REGISTRY_IMAGE:$GRAV_VERSION-git" ./git/
+    - docker build \
+      --build-arg "CI_COMMIT_SHORT_SHA=$CI_COMMIT_SHORT_SHA" \
+      -f Dockerfile.git \
+      -t "$CI_REGISTRY_IMAGE:$GRAV_VERSION-git" \
+      ./git/
     #- docker push "$CI_REGISTRY_IMAGE:$GRAV_VERSION-git"