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

• koanf

  12 2,342 7.1 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

  74 25,756 8.8 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

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• cue

  108 4,754 9.7 Go

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

  

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