example

README

Example

This directory contains a runnable example that demonstrates:

• registering flags and positional args
• reading values from environment variables
• documenting env-only variables
• generating formatted usage output

Run the example and view the generated usage:

go run . -h

Try setting environment variables before running:

EXAMPLEAPP_PORT=8080 EXAMPLEAPP_ADDR=127.0.0.1 go run . serve