set pipeline condition

.woodpecker.yml

@@ -4,10 +4,12 @@ when:
 steps:
   build-push:
     image: woodpeckerci/plugin-docker-buildx
-    secrets: [docker_username, docker_password]    
+#    secrets: [docker_username, docker_password]    
     settings:
-      username: ${DOCKER_USERNAME}
-      password: ${DOCKER_PASSWORD}
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password        
       registry: forge.citizen4.eu
       repo: forge.citizen4.eu/${CI_REPO_OWNER}/${CI_REPO_NAME}       
       tags: