https://github.com/codingconcepts/env

Tag-based environment configuration for structs
https://github.com/codingconcepts/env

Last synced: about 1 month ago
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Tag-based environment configuration for structs

• Host: GitHub
• URL: https://github.com/codingconcepts/env
• Owner: codingconcepts
• License: mit
• Created: 2017-06-14T20:01:55.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2020-08-21T22:01:19.000Z (almost 4 years ago)
• Last Synced: 2024-01-30T04:04:58.180Z (4 months ago)
• Language: Go
• Homepage:
• Size: 45.9 KB
• Stars: 107
• Watchers: 2
• Forks: 12
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Lists

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README

        
# env

Tag-based environment configuration for structs.

[![Godoc](https://godoc.org/github.com/codingconcepts/env?status.svg)](https://godoc.org/github.com/codingconcepts/env)

[![Build Status](https://travis-ci.org/codingconcepts/env.svg?branch=master)](https://travis-ci.org/codingconcepts/env)

[![Go Report Card](https://goreportcard.com/badge/github.com/codingconcepts/env)](https://goreportcard.com/report/github.com/codingconcepts/env)

## Installation

``` bash

$ go get -u github.com/codingconcepts/env

```

## Usage

``` go

package main

import (

	"fmt"

	"log"

	"time"

	"github.com/codingconcepts/env"

)

type config struct {

	Secret            []byte        `env:"SECRET" required:"true"`

	Region            string        `env:"REGION"`

	Port              int           `env:"PORT" required:"true"`

	Peers             []string      `env:"PEERS"` // you can use `delimiter` tag to specify separator, for example `delimiter:" "` 

	ConnectionTimeout time.Duration `env:"TIMEOUT" default:"10s"`

}

func main() {

	c := config{}

	if err := env.Set(&c); err != nil {

		log.Fatal(err)

	}

	...

}

```

``` bash

$ ID=1 SECRET=shh PORT=1234 PEERS=localhost:1235,localhost:1236 TIMEOUT=5s go run main.go

```

## Supported field types

- `bool` and `[]bool`

- `string` and `[]string`

- `[]byte`

- `int`, `int8`, `int16`, `int32`, `int64`, `[]int`, `[]int8`, `[]int16`, `[]int32`, and `[]int64`

- `uint`, `uint8`, `uint16`, `uint32`, `uint64`, `[]uint`, `[]uint8`, `[]uint16`, `[]uint32`, and `[]uint64`

- `float32`, `float64`, `[]float32`, and `[]float64`

- `time.Duration` and `[]time.Duration`