Introduction to Viper

Viper supports many modes of configuration and it integrates with Cobra. In particular Viper supports configuration files in many formats, environment variables, command-line flags and remote key value stores. It also provides advanced access mechanisms to your configuration like nested access and marshaling from Go structs.

Overview

Viper aims to address all your configuration needs for Go programs. It is designed to support any use case from command-line programs all the way to 12-factor distributed apps.

It is called Viper because it is a companion to Cobra. Of course, it has a cool logo