Fix review app path

Why is this change being made?

Following some changes to review apps recently (!5388 (merged)), the environment path selected means that GitLab no longer sees these as review app environments internally. It seems they need to use review/ as the path so that things like https://docs.gitlab.com/ee/api/environments.html#delete-multiple-stopped-review-apps can work to manage these environments.

Also, !5327 (merged) set all deployments as production for deployment tier, which was fine at that time. But since the change above, review apps are re-using the pages job, and now they are all being labeled as deployments to production. We can remove this hard coding, because GitLab automatically sets the tier to production when the environment name is production. Otherwise, our DORA metrics are probably being skewed by review app deployments: https://docs.gitlab.com/ee/user/analytics/dora_metrics.html#deployment-frequency

• Related to Move development/contributing docs to docsy the... (!5327 - merged)
• Related to Improve review apps (!5388 - merged)
• Related to Update review app environment with a slash '/' (!7082 - merged)

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Commits

• Fix review app path

---

.gitlab-ci.yml

@@ -86,6 +86,9 @@ variables:
   RESTORE_CACHE_ATTEMPTS: 3
   EXECUTOR_JOB_SECTION_ATTEMPTS: 3
 
+  ### BUILD / PAGES DEFAULTS **
+  ENVIRONMENT: 'production'
+  HUGO_BASEURL: 'https://handbook.gitlab.com/'
   PAGES_PREFIX: ""
 
   ### TOOLING ###
@@ -172,7 +175,6 @@ build:
   - <<: *merge-request-only
     variables:
       PAGES_PREFIX: 'mr$CI_MERGE_REQUEST_IID'
-      ENVIRONMENT: 'mr$CI_MERGE_REQUEST_IID'
       HUGO_BASEURL: "${CI_PAGES_URL}/${PAGES_PREFIX}"
 
 ###################################
@@ -185,13 +187,9 @@ pages:
   stage: deploy
   dependencies: [build]
   environment:
-    # tracking DORA deployment frequency
     name: $ENVIRONMENT
-    deployment_tier: production
     url: $HUGO_BASEURL
   variables:
-    ENVIRONMENT: production
-    HUGO_BASEURL: https://handbook.gitlab.com/
     GIT_STRATEGY: none
   pages:
     path_prefix: "$PAGES_PREFIX"
@@ -206,12 +204,12 @@ pages:
     - if: '$CI_MERGE_REQUEST_LABELS =~ /deploy-review-app-always/'
       variables:
         PAGES_PREFIX: 'mr$CI_MERGE_REQUEST_IID'
-        ENVIRONMENT: 'mr/$CI_MERGE_REQUEST_IID'
+        ENVIRONMENT: 'review/mr$CI_MERGE_REQUEST_IID'
         HUGO_BASEURL: "${CI_PAGES_URL}/${PAGES_PREFIX}"
     - <<: *merge-request-only
       variables:
         PAGES_PREFIX: 'mr$CI_MERGE_REQUEST_IID'
-        ENVIRONMENT: 'mr/$CI_MERGE_REQUEST_IID'
+        ENVIRONMENT: 'review/mr$CI_MERGE_REQUEST_IID'
         HUGO_BASEURL: "${CI_PAGES_URL}/${PAGES_PREFIX}"
       when: manual
       allow_failure: true