Hi @MITRA, Debartha (GE CoreTech & Cyber) ,
The requirements.txt file is automatically ran when the Azure App service discovers this file among the list of deployed files. Have a look at https://learn.microsoft.com/en-us/azure/azure-functions/functions-how-to-azure-devops?tabs=python for setting up a CI/CD pipeline on https://dev.azure.com. Let me know if that helps. If you found any of the answers to the questions helpful, please be sure to mark them answer in order to help the great community.