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Self hosted cors block , flutter web

  • 1
  • Self Hosted
  • Flutter
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abolfazl27.
22 Apr, 2025, 18:07

we have appwrite instance running on a VPS with ip of 192.168.1.75 on Docker ! then

i have add A record in cloudflare and mapped the ip to domain of app.kajelevator.ir

also i built web flutter application deployed on cloudflare pages and mapping the custom domain of it to kajelevator.ir that effected DNS configurations in cluodflare to have a CNAME record with kajelevator.ir content kajelevator.pages.dev

Now the record look like this

type name content

A app 192.168.1.75

CNAME kajelevator.ir kajelevator.pages.dev

now from flutter pwa witch is kajelevator.ir when i send request to my app instance i got a CORS error. how to fix it ?

with reserch and using ai i have edited .env file of docker with following things

.env _APP_DOMAIN_TARGET=app.kajelevator.ir _APP_DOMAIN=kajelevator.ir _APP_CORS_ALLOW_ORIGIN=https://kajelevator.ir

but the error persist and the error is this:

TL;DR
Developers have a Flutter web app hosted on Cloudflare, encountering a CORS error when sending requests to their Appwrite instance on a VPS. They have updated the .env file in Docker with CORS settings but the error persists.
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