Build multi-arch container images across stack
diff --git a/apps/maddy/auth/.gitignore b/apps/maddy/auth/.gitignore
index cd8d050..824d9a9 100644
--- a/apps/maddy/auth/.gitignore
+++ b/apps/maddy/auth/.gitignore
@@ -1 +1,2 @@
-auth-smtp
+auth-smtp_amd64
+auth-smtp_arm64