diff --git a/.forgejo/workflows/check.yml b/.forgejo/workflows/check.yml
index 9d564eb..8552eb6 100644
--- a/.forgejo/workflows/check.yml
+++ b/.forgejo/workflows/check.yml
@@ -6,8 +6,7 @@ on:
 jobs:
   checks:
     runs-on: docker
-    container:
-      image: ghcr.io/catthehacker/ubuntu:act-22.04
+    container.image: ghcr.io/catthehacker/ubuntu:act-22.04
     env:
       DIRECTORY: config
     steps:
diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index e69de29..0000000