scaffold.express.lib.config.js

var schema = {
    /**
     * @property DEBUG
     */
    DEBUG: {
        env: 'DEBUG',
        type: 'string',
        default: 'none'
    },
    /**
     * @property PUBLIC_URL
     * @example http://localhost:3000
     * @example http://app-name.com
     * @description Used to generate share urls, and other links serverside that should link to proper front-end url
     */
    PUBLIC_URL: {
        env: 'PUBLIC_URL',
        type: 'string',
        require: true
    },
    SECRET_SALT: {
        env: 'SECRET_SALT',
        type: 'string'
    },
    /**
     * @property <a name="redis"></a>REDIS_URI
     * @example localhost
     * @description Redis is used for sessions primarily
     */
    REDIS_URI: {
        env: 'REDIS_URI',
        type: 'string',
        required: true
    },
    MONGO_URI: {
        env: 'MONGO_URI',
        type: 'string',
        required: true
    },
    /**
     * @property PORT
     * @description  Define express HTTP port
     */
    PORT: {
        env      : 'PORT',
        type     : 'integer',
        default  : '9000',
        required : true,
    },
    /**
     * @property NODE_ENV
     */
    NODE_ENV: {
        env: 'NODE_ENV',
        type: 'string',
        default: 'development',
        required: true
    }
};

var config = require('12factor-dotenv');
var cfg = config(schema, { debug: true });
process.env.DEBUG = cfg.DEBUG;
module.exports = exports = cfg;