Nginx gives 502 bad gateway for microsoft auth callback

[Pco]

@swapneelrane

proxy_buffers

Thank you for that, I was struggling for days also.
I was using K8s ingress,you need to add in your ingresss :

nginx.ingress.kubernetes.io/proxy-buffer-size: 32k
nginx.ingress.kubernetes.io/proxy-buffers-number: "4"