Hi @elcade
I have found a solution for that worked me. I shared it here
  
    
    
    Simplest way to deploy a streamlit app in Windows server 2012 Using Streamlit
  
  
    For those following ethan’s step and still having errors, I have some solutions that worked for me. 


I skipped IIS and used task scheduler instead 
How to deploy Streamlit on Windows IIS? - #3 by johnnybarrels 


If you’re still having error, most likely the port is closed by windows firewall. Here’s how to open it 
Streamlit not getting AWS public IP - #3 by Steve_Chen 


If you’re on AWS EC2, there’s an extra step to open the port 
App is not loading when running remotely - Streamlit Docs 


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I hope it also worked for you