feat(docker): factorize more

.gitlab-ci.yml

@@ -31,25 +31,44 @@ build-docker:
 # `release` stage: `semantic-release`, `*-docker-tag`
 ###############################################################################
 # Suffix all jobs to avoid conflict with other jobs names
-
-## dev images
-dev-docker:
+.tag-docker:
   extends:
     - .docker-matrix
     - .tag-docker-image
+
+## dev images
+tag dev:
+  extends:
+    - .tag-docker
     - .on-dev
   variables:
     IMAGE_TAG: dev
 
 ## stable images
-release-docker:
-  extends:
-    - .docker-matrix
-    - .tag-docker-image
+.tag-stable:
+  extends: .tag-docker
+  variables:
+    SOURCE_TAG: dev
+
+tag release:
+  extends: .tag-stable
+
+tag major:
+  extends: .tag-stable
+  before_script:
+    - export RELEASE_PREFIX=${RELEASE_PREFIX:-release/}
+    - export RELEASE=${CI_COMMIT_TAG#${RELEASE_PREFIX}}
+    - export IMAGE_TAG=${RELEASE%%.*}
 
-stable-docker:
+tag minor:
   extends:
-    - .docker-matrix
-    - .tag-docker-image
+    - .tag-stable
+  before_script:
+    - export RELEASE_PREFIX=${RELEASE_PREFIX:-release/}
+    - export RELEASE=${CI_COMMIT_TAG#${RELEASE_PREFIX}}
+    - export IMAGE_TAG=${RELEASE%.${RELEASE##*.}}
+
+tag stable:
+  extends: .tag-stable
   variables:
     IMAGE_TAG: stable