diff --git a/Dockerfile b/Dockerfile
index b1290e9..1818dca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -52,6 +52,8 @@ COPY css/ /usr/share/nginx/html/css/
 WORKDIR /app # Make sure this WORKDIR is set before copying to /app
 COPY --from=builder /app .
 
+RUN ls -la /app # DEBUG: List contents of /app before supervisor starts
+
 # Create data directory (volume will be mounted here by docker-compose)
 # Ensure Nginx (and Node.js if it needs to write logs/pid here) has permissions
 RUN mkdir -p /data && chown nginx:nginx /data # Or appropriate user for Node.js if it writes here