Exploring methods to configure environment variables for component previews, the blog outlines approaches using Bit's development environments and Webpack. It suggests either directly setting environment variables using webpack.DefinePlugin or employing a Webpack transformer to set them directly or from a file. The process involves adding environment variables to the preview configuration and ensuring that variables read from process.env are also configured as Ripple CI "secrets" for CI access. When using a file, guidelines must be followed, and verification can be done using Bit commands to ensure the file is tracked, taking into account that Bit adheres to .gitignore rules.