diff --git a/deploy/railway-web.Dockerfile b/deploy/railway-web.Dockerfile
index 26a7bc2b..ff8681fd 100644
--- a/deploy/railway-web.Dockerfile
+++ b/deploy/railway-web.Dockerfile
@@ -25,6 +25,10 @@ COPY skills /app/skills
 
 RUN npm run build
 
+# File tracing pulls skills/ into the standalone bundle with symlinks resolved into
+# real directories, which then collides with the explicit COPY in the final stage.
+RUN rm -rf /app/frontend/.next/standalone/skills
+
 FROM swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/library/node:22-alpine
 
 WORKDIR /app/frontend