feature: help usage only display usage information for command-line flags #14
Description
Description
When proteus generates usage information, like when the program is called with --help, it currently shows only usage with command-line flags. There is no information about how to provide parameters using other providers, like environment variables or consul KV store.
Goals
From the usage information generated with --help:
- the user will know what providers can be used to configure the application, and the priority order
- the user will know how to provide each parameter with each provider
- (tentative): the provider can give a short documentation about itself
Steps:
- RFC
- Implementation