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Editorial Team
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Asked: 2026-05-22T12:10:21+00:00

I love Bundler , it’s great at dependency management. I love npm , installing

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I love Bundler, it’s great at dependency management. I love npm, installing node packages is easy! I have a nodejs app and would love to be able to specify my apps dependencies and easily install / update them wherever I deploy my app. This isn’t a library I’m releasing, it’s a full fledged web-app.

I’m aware of the npm bundle command, but that just seems to simply override the directory where packages are installed.

I’m used to using bundler in this fashion:

# Gemfile
gem "rails", "3.0.3"

Installs rails v3.0.3 and any other required gems on the host machine only if it doesn’t already exist

> bundle install

How can I achieve something similar with npm?

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1 Answer

  1. Editorial Team

    As of npm 1.0 (which is now what you get by default if you follow the steps in the README file), “bundle” is no longer a segregated thing — it’s just “how it works”.

    So:

    1. Put a package.json file in the root of your project

    2. List your deps in that file

      { "name" : "my-project"
, "version" : "1.0.0"
, "dependencies" : { "express" : "1.0.0" } }

    3. npm install Since you’re calling this with no args, and not in global mode, it’ll just install all your deps locally.

    4. require("express") and be happy.
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