env vars

Node.js

  1. const key = process.env['API_KEY']
  3. console.log(key)

Output

  1. $ API_KEY=foobar node examples/env_vars.js
  2. foobar

Go

  1. package main
  3. import (
  4.     "fmt"
  5.     "os"
  6. )
  8. func main() {
  9.     key := os.Getenv("API_KEY")
  11.     fmt.Println(key)
  12. }

Output

  1. $ API_KEY=foobar go run examples/env_vars.go
  2. foobar