What is the purpose of an.envfile?

The correct answer is To keep secret keys outside of source code,which often live in online code repositories. An.envfile,shortfor"environment"file,is commonly used in software development to store configuration variables and sensitive information such as API keys,database credentials,or access tokens.The primary purpose of using an.en v file is to keep these sensitive keys and configuration details separate from the source code.This practice helps mitigate security risks,especially when collaborating on projects or when source code is stored in online repositories like G it Hub orBit bucket,where it could be publicly accessible.By storing sensitive information in an.envfile,developers can ensure that critical data remains private and is not inadvertently exposed in version-controlled code.Additionally,usingan.en v file allows for easy configuration management across different environments(e.g.,development,testing,production)without modifying the source code itself.While the other options touchup on aspects of environment configuration or automated actions,they do not specifically address the primary purpose of an .envfile,which is to securely manage and protect sensitive keys and configuration variables within software projects,makingthem less relevant to the core functionality of an.envfile.