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Question

subomains & CORS

  • January 22, 2026
  • 5 replies
  • 24 views

Freddy
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  • Thinkwise Local Partner Brasil

Hello, 

Can I achieve the following in a production environment? 

There is like my.app.ltd and that one has my.app.ltd/indicium/ ..  now this is a little custom mobile-first GUI. What I want is that erp.app.ltd hosts the Universal GUI and talks with my.app.ltd/indicium/ 

Is this possible or will I get CORS issues? 

Or what is the best solution? in this scenario? 

5 replies

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Hi Freddy,

Hosting Universal and Indicium on different domains will likely cause CORS issues, so we don’t recommend that setup. If possible, move Indicium behind the same origin (e.g. erp.app.ltd/indicium via a reverse proxy). That way you avoid CORS entirely.


Freddy
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  • Author
  • Thinkwise Local Partner Brasil
  • January 23, 2026

Hi Freddy,

Hosting Universal and Indicium on different domains will likely cause CORS issues, so we don’t recommend that setup. If possible, move Indicium behind the same origin (e.g. erp.app.ltd/indicium via a reverse proxy). That way you avoid CORS entirely.

But that will then move thé issues to my.app.ltd right? So the question remains. How can you make this setup work? So both entries work?


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If you want to use Indicium from both domains, the recommended approach is to place a reverse proxy in front of Indicium and configure it to listen on both domain names.

This way, both erp.app.ltd/indicium and my.app.ltd/indicium can route to the same Indicium instance, while the Universal GUI can stay on a single origin and avoid CORS issues altogether.


Freddy
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  • Author
  • Thinkwise Local Partner Brasil
  • January 23, 2026

 Is this supported by indicium? To have 1 instance with 2 base url?


Freddy
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  • Author
  • Thinkwise Local Partner Brasil
  • January 23, 2026

Or how would the settings look like in a situation where my.app.ltd which has moble-first custom gui .. with in indicium on my.app.ltd/indicium and Universal GUI on my.app.ltd/erp/ .. the documentation is not very clear on these type of setups.