viper
config
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| viper | config | |
|---|---|---|
| 66 | 0 | |
| 22,999 | 262 | |
| - | - | |
| 8.9 | 0.0 | |
| 6 days ago | 9 months ago | |
| Go | Go | |
| MIT License | GNU General Public License v3.0 or later |
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viper
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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
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Tools besides Go for a newbie
IDE: use whatever make you productive. I personally use vscode. VCS: git, as golang communities use github heavily as base for many libraries. AFAIK Linter: use staticcheck for linting as it looks like mostly used linting tool in go, supported by many also. In Vscode it will be recommended once you install go plugin. Libraries/Framework: actually the standard libraries already included many things you need, decent enough for your day-to-day development cycles(e.g. `net/http`). But here are things for extra: - Struct fields validator: validator - Http server lib: chi router , httprouter , fasthttp (for non standard http implementations, but fast) - Web Framework: echo , gin , fiber , beego , etc - Http client lib: most already covered by stdlib(net/http), so you rarely need extra lib for this, but if you really need some are: resty - CLI: cobra - Config: godotenv , viper - DB Drivers: sqlx , postgre , sqlite , mysql - nosql: redis , mongodb , elasticsearch - ORM: gorm , entgo , sqlc(codegen) - JS Transpiler: gopherjs - GUI: fyne - grpc: grpc - logging: zerolog - test: testify , gomock , dockertest - and many others you can find here
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Ultimate config for Go applications
Is this sufficiently better than https://github.com/spf13/viper to warrant a switch?
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[QUESTION] - How would I Read from multiple config files and environment variables?
I'm using https://github.com/spf13/viper for configuration manager.
Ya, I think this issue explains one of the problems: https://github.com/spf13/viper/issues/761
- Use TOML for `.env` Files?
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How To Work With Multiple Go Files?
There are some Go packages that can make config easy such as Viper or what I'll do in some of my quick/simple projects is to have a Config struct that I load from a JSON file. You can .gitignore the JSON file, and have your program on first startup write a default JSON file with some sensible default settings (like randomized secret keys for your cookies or JWT tokens and await only your database and email credentials to be filled in).
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In NodeJS I can encapsulate different start-up command for different mode (dev, production) with package.json. then after that it will get the .env file for the correct environment mode. How to archive the same things in golang ?
I'll also add that we set our configuration as structs, and use https://github.com/spf13/viper to load the structure from TOML.
config
We haven't tracked posts mentioning config yet.
Tracking mentions began in Dec 2020.
What are some alternatives?
godotenv - A Go port of Ruby's dotenv library (Loads environment variables from .env files)
envconfig - Small library to read your configuration from environment variables
koanf - Simple, extremely lightweight, extensible, configuration management library for Go. Support for JSON, TOML, YAML, env, command line, file, S3 etc. Alternative to viper.
kelseyhightower/envconfig - Golang library for managing configuration data from environment variables
mapstructure - Go library for decoding generic map values into native Go structures and vice versa.
ini - Package ini provides INI file read and write functionality in Go
cleanenv - ✨Clean and minimalistic environment configuration reader for Golang
goConfig - goconfig uses a struct as input and populates the fields of this struct with parameters from command line, environment variables and configuration file.
go-toml - Go library for the TOML file format
env - A simple and zero-dependencies library to parse environment variables into structs.
validator - :100:Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving
Gin - Gin is a HTTP web framework written in Go (Golang). It features a Martini-like API with much better performance -- up to 40 times faster. If you need smashing performance, get yourself some Gin.