Ajoute et utilise un template de job pour Gitlab-CI.

.gitlab-ci.yml

+include:
+  - local: 'prezbuilder-ci.yml'
+
 default:
   retry: 2
   interruptible: true
@@ -37,15 +40,9 @@ docker:
     - docker push "$IMAGE"
 
 pages:
-  stage: deploy
-  image:
-    name: "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG"
-    entrypoint: [""]
+  extends: .prezbuilder
+  variables:
+    PREZBUILDER_IMAGE: "$CI_REGISTRY_IMAGE"
+    PREZBUILDER_TAG: "$CI_COMMIT_REF_SLUG"
   rules:
     - if: $CI_COMMIT_BRANCH == "master"
-  script:
-    - prezbuilder build
-  artifacts:
-    name: pages
-    paths:
-      - public/

prezbuilder-ci.yml

+.prezbuilder:
+  retry: 2
+  interruptible: true
+  tags: [docker]
+  variables:
+    PREZBUILDER_IMAGE: gitlab-registry.irstea.fr/pole-is/tools/prezbuilder
+    PREZBUILDER_TAG: master
+    PREZBUILDER_SRC: src
+  image:
+    name: "${PREZBUILDER_IMAGE}:${PREZBUILDER_TAG}"
+    entrypoint: [""]
+  script:
+    - prezbuilder "${PREZBUILDER_SRC}" public
+  artifacts:
+    name: pages
+    paths:
+      - public/