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fix: canvas page refresh get 404 #268

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fix: canvas page refresh get 404 #268

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14 changes: 14 additions & 0 deletions server/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,20 @@ async def serve_react_app():
response.headers["Expires"] = "0"
return response

# Catch-all route to serve React app - must be last route
@app.get("/{path:path}")
async def serve_frontend(path: str):
"""Serve React app for all frontend routes to support client-side routing"""
if path.startswith("api/") or path.startswith("assets/") or path.startswith("socket.io/"):
from fastapi import HTTPException
raise HTTPException(status_code=404, detail="Not Found")

response = FileResponse(os.path.join(react_build_dir, "index.html"))
response.headers["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
response.headers["Pragma"] = "no-cache"
response.headers["Expires"] = "0"
return response

print('Creating socketio app')
socket_app = socketio.ASGIApp(sio, other_asgi_app=app, socketio_path='/socket.io')

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