Improve CI

Now Docker images and builds are only done on tags
Hopefully Docker builds work now

.woodpecker.yml

@@ -9,8 +9,9 @@ pipeline:
   docker-publish:
     image: plugins/docker
     settings:
+      registry: gitea.massivebox.net
       repo: gitea.massivebox.net/massivebox/ecodash
-      tags: dev
+      auto_tag: true
       username: massivebox
       password:
         from_secret: auth_token
@@ -22,4 +23,6 @@ pipeline:
       files: ecodash
       api_key:
         from_secret: auth_token
-      title: dev
+      title: ${CI_COMMIT_TAG}
+      when:
+        event: tag