Dry run build on pr

.drone.yml

@@ -53,7 +53,7 @@ steps:
         from_secret: docker_password
       repo: registry.odit.services/library/nginx-brotli
       tags:
-        - '${DRONE_TAG}'
+        - "${DRONE_TAG}"
       registry: registry.odit.services
       mtu: 1000
 trigger:
@@ -80,10 +80,9 @@ steps:
         - nightly
       registry: registry.odit.services
       mtu: 1000
-    when:
+trigger:
   branch:
     - main
-trigger:
   event:
     - cron
   cron:
@@ -108,15 +107,33 @@ steps:
       repo: registry.odit.services/library/nginx-brotli
       tags:
         - weekly
-        - '${DRONE_STAGE_STARTED}'
+        - "${DRONE_STAGE_STARTED}"
       registry: registry.odit.services
       mtu: 1000
-    when:
+trigger:
   branch:
     - main
-trigger:
   event:
     - cron
   cron:
     include:
       - weekly
+
+---
+kind: pipeline
+type: kubernetes
+name: build:pr
+
+steps:
+  - name: docker release
+    image: plugins/docker
+    user: 0
+    depends_on: [clone]
+    settings:
+      dry_run: true
+      tags:
+        - "PR-${DRONE_STAGE_STARTED}"
+      mtu: 1000
+trigger:
+  event:
+    - pull_request