another try

.gitea/workflows/image.yml

@@ -1,17 +1,12 @@
 pipeline:
-  build:
-    name: Build Botanique image
+  publish:
     image: woodpeckerci/plugin-docker-buildx
-    group: docker
     settings:
-      registry: git.mylloon.fr
-      repo: git.mylloon.fr/${CI_REPO,,}
       platforms: linux/amd64
+      repo: git.mylloon.fr/${CI_REPO,,}
+      registry: git.mylloon.fr
+      dry_run: true
       tags: latest
-      username:
-        from_secret: docker_username
+      username: ${CI_REPO_OWNER}
       password:
-        from_secret: docker_password
-    when:
-      - event: push
-        branch: main
+        from_secret: cb_token