If someone can have a look at this that would be great!!!!

Hey Ashish G. thanks for reaching out and using Phoenix! We typically see these kinds of errors when the PHOENIX_HOST_ROOT_PATH environment variable is not configured properly in reverse proxy networking setups. Can you share some details of your docker or nginx config? Or double check the specification of environment variables for configuring Phoenix here

Heyyy Anthony P., Thanks for your response! I believe the link you've shared will be really helpful. We've not set anything like that so most likely this is the issue Update: we tried taking our frontend down and deploy only the phoenix UI, it worked but when we tried both frontend(react) and phoenix UI, it's giving this error Our assumption is that maybe both UI are conflicting with each other and we've to find a proper solution for nginx or we've to deploy frontend and phoenix UI on different ingress

It is certainly possible that hosting two frontends on the same network can be problematic, especially if they are trying to fetch resources from the same backend port. Let me know if customizing the ports helps

Okayyy! Thanks for the help! Will reach back if we continue to face the issue!