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README.md

Heroku Buildpack for Node.js

This is a Heroku buildpack for Node.js apps.

The buildpack will detect your app as Node.js if it has a package.json file in the root. It will use npm to install your dependencies, and vendors a version of the Node.js runtime into your slug.

Example Usage

$ ls
Procfile  package.json  web.js

$ heroku create

$ git push heroku master
...
-----> Heroku receiving push
-----> Fetching custom buildpack
-----> Node.js app detected
-----> Vendoring node 0.4.7
-----> Installing dependencies with npm 1.0.8
       express@2.1.0 ./node_modules/express
       ├── mime@1.2.2
       ├── qs@0.3.1
       └── connect@1.6.2
       Dependencies installed

Node.js and npm versions

You can specify the versions of Node.js and npm your application requires using package.json

{
  "name": "myapp",
  "version": "0.0.1",
  "engines": {
    "node": "~0.10.13",
    "npm": "~1.3.2"
  }
}

To list the available versions of Node.js and npm, see these manifests:

Documentation

For more information about buildpacks and Node.js, see these Dev Center articles:

Hacking

To make changes to this buildpack, fork it on Github. Push up changes to your fork, then create a new Heroku app to test it, or configure an existing app to use your buildpack:

# Create a new Heroku app that uses your buildpack
heroku create --buildpack <your-github-url>

# Configure an existing Heroku app to use your buildpack
heroku config:set BUILDPACK_URL=<your-github-url>

# You can also use a git branch!
heroku config:set BUILDPACK_URL=<your-github-url>#your-branch

For more detailed information about testing buildpacks, see CONTRIBUTING.md

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