diff --git a/Dockerfile b/Dockerfile
index 719e7814..032dc982 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,7 @@ COPY vite.config.js ./
 COPY tsconfig.json ./
 
 # Expose the frontend port
-EXPOSE 5173
+EXPOSE ${FRONTEND_PORT:-5173}
 
 # Start the frontend using the client script
 CMD ["npm", "run", "client", "--", "--host"]
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