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  Blue/Green Deployment with AWS Lambda  This hands on DevOps project uses two versions of a Lambda function for blue/green deployment . An alias is used to switch traffic between them. An alias is a pointer which directs traffic between two version.  This project assumes an AWS account has already been created, and permissions have been granted to access/manage Lambda, IAM, and awscli if one is not root when accessing the AWS console and services.  VS Code is the IDE being used with a virtual environment and PowerShell for the terminal. Step 1: Set up the virtual enironment. The most important commands in working with your virtual environment are: Create your virtual environment py -m venv env Activate your virtual environment env\Scripts\activate TODO: It's also a good idea to update pip using the following command: py -m pip install --upgrade pip   Go to View > select Command Palette > Select Python Interpreter > (env:venv) Configure credenti...