There are a lot of resources out there when it comes to exploring the ins-n-outs of environment variables. Recently, we added support for environment variables in Express Gateway as a response to request we received from developers who are using Express Gateway in production right now. So, we’d like to take a moment and go into more depth on how you can get started with Environment Variables and Express Gateway.

Express Gateway and Amazon API Gateway are two different products for configuring middleware servers that provide services like rate limiting, authentication, and proxying. As a developer, I want to share the major trade-offs between using Amazon API Gateway and Express Gateway across several important dimensions.