ci: optional manual MR build and deploy

.gitlab-ci.yml

@@ -21,8 +21,14 @@ build:
     DOCKER_DRIVER: overlay2
   image: ${CI_DEPENDENCY_PROXY_DIRECT_GROUP_IMAGE_PREFIX}/docker:25
   stage: build
-  only:
-    - dev
+  rules:
+    # Always run the stage for the 'dev' branch
+    - if: '$CI_COMMIT_REF_NAME == "dev"'
+    # For Merge Requests, make the stage manual
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
+      when: manual
+    # Otherwise, skip the stage
+    - when: never    
   script:
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
     - docker login ${CI_DEPENDENCY_PROXY_SERVER} -u ${CI_DEPENDENCY_PROXY_USER} -p ${CI_DEPENDENCY_PROXY_PASSWORD}
@@ -146,8 +152,14 @@ deploy-10-dev:
     name: dev
   variables:
     NAMESPACE_ENV: "d01"
-  only:
-    - dev
+  rules:
+    # Always run the stage for the 'dev' branch
+    - if: '$CI_COMMIT_REF_NAME == "dev"'
+    # For Merge Requests, make the stage manual
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
+      when: manual
+    # Otherwise, skip the stage
+    - when: never    
 
 deploy-20-rec:
   stage: deploy