ive deployed my app on fly and im getting a browser error when trying to access some routes: Failed to load resource: net::ERR_FAILEDUnderstand this error ai-assistant:1 Access to XMLHttpRequest at 'https://petall-server.fly.dev/auth/me' from origin 'https://petall.ke' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.Understand this error petall-server.fly.dev/auth/me:1 Failed to load resource: net::ERR_FAILEDUnderstand this error index-DojbhsmG.js:101 WebSocket connection to 'wss://petall-server.fly.dev/socket.io/?EIO=4&transport=websocket' failed: createSocket @ index-DojbhsmG.js:101Understand this error ai-assistant:1 Failed to load resource: net::ERR_FAILEDUnderstand this error ai-assistant:1 Access to XMLHttpRequest at 'https://petall-server.fly.dev/auth/me' from origin 'https://petall.ke' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.Understand this error index-DojbhsmG.js:78 GET https://petall-server.fly.dev/auth/menet::ERR_FAILED 503 (Service Unavailable) (anonymous) @ index-DojbhsmG.js:78 xhr @ index-DojbhsmG.js:78 H9 @ index-DojbhsmG.js:80 Promise.then _request @ index-DojbhsmG.js:81 request @ index-DojbhsmG.js:80 pd.<computed> @ index-DojbhsmG.js:81 (anonymous) @ index-DojbhsmG.js:76 PO.Zk.queryCacheKey @ index-DojbhsmG.js:81 queryFn @ index-DojbhsmG.js:81 p @ index-DojbhsmG.js:40 A @ index-DojbhsmG.js:40 (anonymous) @ index-DojbhsmG.js:40 Promise.then (anonymous) @ index-DojbhsmG.js:40Understand this error ai-assistant:1 what am i missing?