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Heroku Buildpack for Node.js


This is the official Heroku buildpack for Node.js apps.

Build Status


For more information about using this Node.js buildpack on Heroku, see these Dev Center articles:

For more general information about buildpacks on Heroku:

Locking to a buildpack version

In production, you may want to lock dependencies - including buildpacks - to a specific version.

First, find the version you want from the list of buildpack versions. Then, specify that version with buildpacks:set:

heroku buildpacks:set -a my-app

If you have trouble upgrading to the latest version of the buildpack, please open a support ticket at so we can assist.

Chain Node with multiple buildpacks

This buildpack automatically exports node, npm, and any node_modules binaries into the $PATH for easy use in subsequent buildpacks.


Having trouble? Dig it? Feature request?



For local development, you may need the following tools:

Deploying an app with a fork or branch

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 buildpacks:set <your-github-url>

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

Downloading Plugins

In order to download the latest plugins that have been released, run the following:

plugin/ v$VERSION

Make sure the version is in the format v#, ie. v7.


The buildpack tests use Docker to simulate Heroku's stacks.

To run the test suite:

make test

Or to just test a specific stack:

make heroku-16
make heroku-18
make heroku-20

The tests are run via the vendored shunit2 test framework.

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