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Node.js Application Configuration

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README.md

node-config

Configuration control for production node deployments

Introduction

Node-config is a configuration system for Node.js application server deployments. It lets you define a default set of application parameters, and tune them for different runtime environments (development, qa, staging, production, etc.).

Parameters defined by node-config can be monitored and tuned at runtime without bouncing your production servers.

Online documentation is available at http://lorenwest.github.com/node-config/latest

Quick Start

In your project directory, install and verify using npm:

my-project$ npm install config
my-project$ npm test config

Edit the default configuration file (.js, .json, or .yaml):

my-project$ mkdir config 
my-project$ vi config/default.yaml

(example default.yaml file):

Customer:
  dbHost: localhost
  dbPort: 5984
  dbName: customers

Edit the production configuration file:

my-project$ vi config/production.yaml

(example production.yaml file):

Customer:
  dbHost: prod-db-server

Use the configuration in your code:

var CONFIG = require('config').Customer;
...
db.connect(CONFIG.dbHost, CONFIG.dbPort, CONFIG.dbName);

Start your application server:

my-project$ export NODE_ENV=production
my-project$ node app.js

Running in this configuration, CONFIG.dbPort and CONFIG.dbName will come from the default.yaml file, and CONFIG.dbHost will come from the production.yaml file.

See Also

node-config - Online documentation
node-monitor - Monitor your running node applications

License

Released under the Apache License 2.0

See LICENSE file.

Copyright (c) 2011 Loren West

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