Docker friendly and obvious configuration.

npm install --save unruly
vim app.config

port = 8080
redis = 127.0.0.1:6379
log-dir = ./logs

vim main.js

#!/bin/babel-node
import { port, redis, log_dir } from 'unruly'

PORT=1337 ./main.js
DEBUG=unruly ./main.js  # debugging is 1337 too... :)

Submit an issue, a pull request, or send an email to dan.sont@gmail.com and I'll reply if I see it