There’s a made-in-golang alternative here that I haven’t looked into.

(Maybe “alternative” isn’t the right word in case it came first, I dunno, but I’ve been happy enough with the Python one.)

Simple, lightweight, extensible, configuration management library for Go. Support for JSON, TOML, YAML, env, command line, file, S3 etc. Alternative to viper. - knadh/koanf: Simple, lightweight, extensible, configuration management library for Go. Support for JSON, TOML, YAML, env, command line, file, S3 etc. Alternative to viper.