set pipeline condition

.woodpecker.yml

@@ -7,9 +7,11 @@ pipeline:
       registry: forge.citizen4.eu
       repo: forge.citizen4.eu/${CI_REPO_OWNER}/${CI_REPO_NAME}
       tags:
-      - ${CI_COMMIT_SHA:0:10} 
+      - ${CI_COMMIT_TAG} 
       - latest
       username:
         from_secret: docker_username
       password:
         from_secret: docker_password
+    when:
+      event: tag