Two ways to provide configuration: command-line, yaml file.

• koanf

  5 1,833 5.1 Go

  Simple, extremely lightweight, extensible, configuration management library for Go. Support for JSON, TOML, YAML, env, command line, file, S3 etc. Alternative to viper.

  Of course. You should always use a good config package. caarlos0/env is okay but https://github.com/knadh/koanf is a better all around solution imo.

• viper

  25 23,066 8.9 Go

  Go configuration with fangs

  Not only that, the "unmarshall to struct" method doesn't work at all for environment variables. https://github.com/spf13/viper/issues/188

• InfluxDB

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• cue

  55 3,889 7.6 Go

  The home of the CUE language! Validate and define text-based and dynamic configuration

  

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