diff --git a/fluxer_server/Dockerfile b/fluxer_server/Dockerfile
index 4854a74f..b34aa468 100644
--- a/fluxer_server/Dockerfile
+++ b/fluxer_server/Dockerfile
@@ -120,6 +120,9 @@ COPY config/ ./config/
 COPY packages/ ./packages/
 COPY fluxer_app/ ./fluxer_app/
 
+# Reinstall to ensure all dependencies are properly linked after copying source
+RUN pnpm install --frozen-lockfile
+
 # Set FLUXER_CONFIG for rspack to derive API endpoints
 ENV FLUXER_CONFIG=/usr/src/app/config/config.production.template.json