Created by: naw
This PR modifies the following sentence "Use environment variables to inject the right server host and port into your app"
I originally misunderstood this sentence to mean that it was possible to specify the proxy setting for CRA using environment variable(s). For example, it made me think something like PROXY_PORT and PROXY_HOST might exist and be understood by CRA.
In hindsight, I understand what the sentence was trying to convey, but perhaps a clarification would be helpful. This PR attempts to clarify that environment variables have no effect on the CRA proxy setting itself.
I don't think I'm the only one that has misunderstood this sentence.
See, for example, https://stackoverflow.com/questions/46686434/how-to-inject-port-and-host-using-env-variable-in-create-react-app-proxy-setting/48248492#48248492
Thank you!