Update Dockerfile

Dockerfile

@@ -1,5 +1,5 @@
 ###############################################################################
-# n8n for Hugging Face Spaces – bash-less, single-file Docker recipe
+# n8n for Hugging Face Spaces – with correct URL generation
 ###############################################################################
 FROM docker.n8n.io/n8nio/n8n:latest
 
@@ -26,9 +26,11 @@ set -eu
 N8N_PORT="${PORT:-7860}"
 export N8N_PORT
 
-# Public URL for webhooks / editor
+# Hugging Face URL generation fix
 if [ -n "${SPACE_ID:-}" ]; then
-  APP_URL="https://${SPACE_ID}.hf.space"
+  # SPACE_ID format: username/spacename
+  # Convert to: username-spacename.hf.space
+  APP_URL="https://$(echo "$SPACE_ID" | sed 's/\//-/').hf.space"
 elif [ -n "${SPACE_HOST:-}" ]; then
   APP_URL="https://${SPACE_HOST}"
 else