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https://github.com/nodejs/docker-node
Official Docker Image for Node.js :whale: :turtle: :rocket:
https://github.com/nodejs/docker-node
docker docker-image docker-node dockerfile node nodejs
Last synced: 4 days ago
JSON representation
Official Docker Image for Node.js :whale: :turtle: :rocket:
- Host: GitHub
- URL: https://github.com/nodejs/docker-node
- Owner: nodejs
- License: mit
- Created: 2014-12-12T16:48:48.000Z (about 10 years ago)
- Default Branch: main
- Last Pushed: 2024-10-25T07:04:40.000Z (about 2 months ago)
- Last Synced: 2024-10-29T14:53:10.208Z (about 1 month ago)
- Topics: docker, docker-image, docker-node, dockerfile, node, nodejs
- Language: Dockerfile
- Homepage: https://hub.docker.com/_/node/
- Size: 2.08 MB
- Stars: 8,260
- Watchers: 175
- Forks: 1,964
- Open Issues: 142
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Security: SECURITY.md
- Governance: GOVERNANCE.md
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README
# Node.js
[![dockeri.co](https://dockerico.blankenship.io/image/node)](https://hub.docker.com/_/node)
[![GitHub issues](https://img.shields.io/github/issues/nodejs/docker-node.svg "GitHub issues")](https://github.com/nodejs/docker-node)
[![GitHub stars](https://img.shields.io/github/stars/nodejs/docker-node.svg "GitHub stars")](https://github.com/nodejs/docker-node)The official Node.js docker image, made with love by the node community.
## Table of Contents
- [What is Node.js?](#what-is-nodejs)
- [How to use this image](#how-to-use-this-image)
- [Create a `Dockerfile` in your Node.js app project](#create-a-dockerfile-in-your-nodejs-app-project)
- [Best Practices](#best-practices)
- [Run a single Node.js script](#run-a-single-nodejs-script)
- [Verbosity](#verbosity)
- [Dockerfile](#dockerfile)
- [Docker Run](#docker-run)
- [NPM run](#npm-run)
- [Image Variants](#image-variants)
- [`node:`](#nodeversion)
- [`node:alpine`](#nodealpine)
- [`node:bullseye`](#nodebullseye)
- [`node:bookworm`](#nodebookworm)
- [`node:slim`](#nodeslim)
- [License](#license)
- [Supported Docker versions](#supported-docker-versions)
- [Supported Node.js versions](#supported-nodejs-versions)
- [Governance and Current Members](#governance-and-current-members)
- [Docker Working Group Members](#docker-working-group-members)
- [Docker Working Group Collaborators](#docker-working-group-collaborators)
- [Emeritus](#emeritus)
- [Docker Working Group Members](#docker-working-group-members-1)## What is Node.js?
Node.js is a platform built on Chrome's JavaScript runtime for easily building
fast, scalable network applications. Node.js uses an event-driven, non-blocking
I/O model that makes it lightweight and efficient, perfect for data-intensive
real-time applications that run across distributed devices.See: http://nodejs.org
## How to use this image
### Create a `Dockerfile` in your Node.js app project
```dockerfile
# specify the node base image with your desired version node:
FROM node:16
# replace this with your application's default port
EXPOSE 8888
```You can then build and run the Docker image:
```console
$ docker build -t my-nodejs-app .
$ docker run -it --rm --name my-running-app my-nodejs-app
```If you prefer Docker Compose:
```yml
version: "2"
services:
node:
image: "node:8"
user: "node"
working_dir: /home/node/app
environment:
- NODE_ENV=production
volumes:
- ./:/home/node/app
expose:
- "8081"
ports: # use if it is necessary to expose the container to the host machine
- "8001:8001"
command: "npm start"
```You can then run using Docker Compose:
```console
$ docker-compose up -d
```Docker Compose example mounts your current directory (including node_modules) to the container.
It assumes that your application has a file named [`package.json`](https://docs.npmjs.com/files/package.json)
defining [start script](https://docs.npmjs.com/misc/scripts#default-values).### Best Practices
We have assembled a [Best Practices Guide](./docs/BestPractices.md) for those using these images on a daily basis.
### Run a single Node.js script
For many simple, single file projects, you may find it inconvenient to write a
complete `Dockerfile`. In such cases, you can run a Node.js script by using the
Node.js Docker image directly:```console
$ docker run -it --rm --name my-running-script -v "$PWD":/usr/src/app -w /usr/src/app node:8 node your-daemon-or-script.js
```### Verbosity
Prior to 8.7.0 and 6.11.4, the docker images overrode the default npm log
level from `warn` to `info`. However, due to improvements to npm and new Docker
patterns (e.g. multi-stage builds) the working group reached a [consensus](https://github.com/nodejs/docker-node/issues/528)
to revert the log level to npm defaults. If you need more verbose output, please
use one of the following methods to change the verbosity level.#### Dockerfile
If you create your own `Dockerfile` which inherits from the `node` image, you can
simply use `ENV` to override `NPM_CONFIG_LOGLEVEL`.```dockerfile
FROM node
ENV NPM_CONFIG_LOGLEVEL info
...
```#### Docker Run
If you run the node image using `docker run`, you can use the `-e` flag to
override `NPM_CONFIG_LOGLEVEL`.```console
$ docker run -e NPM_CONFIG_LOGLEVEL=info node ...
```#### NPM run
If you are running npm commands, you can use `--loglevel` to control the
verbosity of the output.```console
$ docker run node npm --loglevel=warn ...
```## Image Variants
The `node` images come in many flavors, each designed for a specific use case.
All of the images contain pre-installed versions of `node`,
[`npm`](https://www.npmjs.com/), and [`yarn`](https://yarnpkg.com). For each
supported architecture, the supported variants are different. In the file:
[versions.json](./versions.json), it lists all supported variants for all of
the architectures that we support now.### `node:`
This is the defacto image. If you are unsure about what your needs are, you
probably want to use this one. It is designed to be used both as a throw away
container (mount your source code and start the container to start your app), as
well as the base to build other images off of. This tag is based off of
[`buildpack-deps`](https://registry.hub.docker.com/_/buildpack-deps/).
`buildpack-deps` is designed for the average user of docker who has many images
on their system. It, by design, has a large number of extremely common Debian
packages. This reduces the number of packages that images that derive from it
need to install, thus reducing the overall size of all images on your system.### `node:alpine`
This image is based on the popular
[Alpine Linux project](http://alpinelinux.org), available in
[the `alpine` official image](https://hub.docker.com/_/alpine). Alpine Linux is
much smaller than most distribution base images (~5MB), and thus leads to much
slimmer images in general.This variant is highly recommended when final image size being as small as
possible is desired. The main caveat to note is that it does use
[musl libc](http://www.musl-libc.org) instead of
[glibc and friends](http://www.etalabs.net/compare_libcs.html), so certain
software might run into issues depending on the depth of their libc
requirements. However, most software doesn't have an issue with this, so this
variant is usually a very safe choice. See
[this Hacker News comment thread](https://news.ycombinator.com/item?id=10782897)
for more discussion of the issues that might arise and some pro/con comparisons
of using Alpine-based images.One common issue that may arise is a missing shared library required for use of
`process.dlopen`. To add the missing shared libraries to your image:- For Alpine v3.18 and earlier, adding the
[`libc6-compat`](https://pkgs.alpinelinux.org/package/v3.18/main/x86/libc6-compat)
package in your Dockerfile is recommended: `apk add --no-cache libc6-compat`- Starting from Alpine v3.19, you can use the
[`gcompat`](https://pkgs.alpinelinux.org/package/v3.19/main/x86/gcompat) package
to add the missing shared libraries: `apk add --no-cache gcompat`To minimize image size, it's uncommon for additional related tools
(such as `git` or `bash`) to be included in Alpine-based images. Using this
image as a base, add the things you need in your own Dockerfile
(see the [`alpine` image description](https://hub.docker.com/_/alpine/) for
examples of how to install packages if you are unfamiliar).To make the image size even smaller, you can [bundle without npm/yarn](./docs/BestPractices.md#smaller-images-without-npmyarn).
### `node:bullseye`
This image is based on version 11 of
[Debian](http://debian.org), available in
[the `debian` official image](https://hub.docker.com/_/debian).### `node:bookworm`
This image is based on version 12 of
[Debian](http://debian.org), available in
[the `debian` official image](https://hub.docker.com/_/debian).### `node:slim`
This image does not contain the common packages contained in the default tag and
only contains the minimal packages needed to run `node`. Unless you are working
in an environment where *only* the Node.js image will be deployed and you have
space constraints, we highly recommend using the default image of this
repository.## License
[License information](https://github.com/nodejs/node/blob/master/LICENSE) for
the software contained in this image. [License information](LICENSE) for the
Node.js Docker project.## Supported Docker versions
This image is officially supported on Docker version 1.9.1.
Support for older versions (down to 1.6) is provided on a best-effort basis.
Please see [the Docker installation
documentation](https://docs.docker.com/installation/) for details on how to
upgrade your Docker daemon.## Supported Node.js versions
This project will support Node.js versions as still under active support as per the [Node.js release schedule](https://github.com/nodejs/Release).
## Governance and Current Members
The Node.js Docker Image is governed by the Docker Working Group. See
[GOVERNANCE.md](GOVERNANCE.md)
to learn more about the group's structure and [CONTRIBUTING.md](CONTRIBUTING.md) for guidance
about the expectations for all contributors to this project.### Docker Working Group Members
- Hans Kristian Flaatten ([starefossen](https://github.com/starefossen))
- Hugues Malphettes ([hmalphettes](https://github.com/hmalphettes))
- John Mitchell ([jlmitch5](https://github.com/jlmitch5))### Docker Working Group Collaborators
- Mikeal Rogers ([mikeal](https://github.com/mikeal))
- Laurent Goderre ([LaurentGoderre](https://github.com/LaurentGoderre))
- Simen Bekkhus ([SimenB](https://github.com/SimenB))
- Peter Dave Hello ([PeterDaveHello](https://github.com/PeterDaveHello))### Emeritus
#### Docker Working Group Members
- Christopher Horrell ([chorrell](https://github.com/chorrell))
- Peter Petrov ([pesho](https://github.com/pesho))