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viper
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Proxy Server in Go
The code uses Viper to load configuration files in the application.
- API completa em Golang - Parte 2
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What 3rd-party libraries do you use often/all the time?
github.com/spf13/viper
- API completa em Golang - Parte 1
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Building RESTful API with Hexagonal Architecture in Go
Instead of directly accessing environment variables with os.Getenv(), integrating a configuration handler like viper might make it maintainable.
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What is the most common approach to configure a backend app?
I guess most people are using https://github.com/spf13/viper but I don't know if I should read everything from
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Could I get a code review?
Use Viper for config file or environmental variable configuration -- it's going to save you a whole lot of time.
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Which packages do you recommend for building cli tools?
Cobra and Viper.
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Library for Python similar to Go's Viper / 12 Factor
I've mostly been using https://github.com/spf13/viper of late for my go projects. It supports the standard config formats, (json, yaml, toml etc) and lets you override any value with a ENV value.
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Two ways to provide configuration: command-line, yaml file.
Not only that, the "unmarshall to struct" method doesn't work at all for environment variables. https://github.com/spf13/viper/issues/188
What are some alternatives?
hocon - go implementation of lightbend's HOCON configuration library https://github.com/lightbend/config
godotenv - A Go port of Ruby's dotenv library (Loads environment variables from .env files)
goConfig - goconfig uses a struct as input and populates the fields of this struct with parameters from command line, environment variables and configuration file.
envconfig - Small library to read your configuration from environment variables
config - JSON or YAML configuration wrapper with convenient access methods.
koanf - Simple, extremely lightweight, extensible, configuration management library for Go. Support for JSON, TOML, YAML, env, command line, file, S3 etc. Alternative to viper.
envcfg - Un-marshaling environment variables to Go structs
cleanenv - ✨Clean and minimalistic environment configuration reader for Golang
configure - Configure is a Go package that gives you easy configuration of your project through redundancy
kelseyhightower/envconfig - Golang library for managing configuration data from environment variables
ini - Package ini provides INI file read and write functionality in Go
mapstructure - Go library for decoding generic map values into native Go structures and vice versa.