check this https://shopify.dev/tools/libraries/storefront-api/ios 

@composed  exactly!If you really agree with me that we should be able to add a custom host for the redirect URL please second my issue here https://github.com/Shopify/quilt/issues/1593 

Hello @composed, yes I agree with you. But regarding what you said here: the host is represented in ctx.request.header.host on requests, but for creating the callback it's pulling from process.env.HOST.I can't see where the pulling for the host from ...

hello @composed  thank you for your detailed reply. Are you sure koa's host defaults to the environment variable and not the host from the request headers? Because I think that's the case.

ok.So for me, the issue was because koa-shopify-auth defaults the host of the redirect URL to the host of the request.This host is changed by the reverse proxy. For me, I had to configure Nginx myself for it to work.I also opened an issue to make thi...

Hey kurt, I think your problem is different than mine. The redirect url appears as localhost in your case which I think is related to a problem in your code/setup.And, what do you use for authentication? koa-shopify-auth?

Hey guys, I am using "@shopify/koa-shopify-auth" for my application and I followed the Node/React tutorial, except I am not using next.js but separate node and react applications. Locally, everything is working fine. But in production (I have each de...