Loads environment variables from .env files.
Inspired by dotenv by Brandon Keepers.
// `options` are optional
var env = require('envc')(options);
path: Path to the .env file [optional, default: cwd]name: Name of the .env file [optional, default: '.env']nodeenv: NODE_ENV [optional, default: process.env.NODE_ENV]booleans: enable boolean parsing, [optional, default: false]numbers: enable number parsing, [optional, default: false]readonly: load and parse .env file only (i.e. does not modify process.env), [optional, default: false]overwrite: allow process.env to overwrite file values [optional, default: false]envc will try to load:
URL_HOST="vesln.com"
URL_PATH="index"
URL_FULL="http://${URL_HOST}/${URL_PATH}"
DOCKER_SERVICE=$(boot2docker ip):11211 # works on node 0.12+
npm install envc