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Use the official node image as the base for a Dockerfile, then build and run your application in a container. For production, choose an Active or Maintenance LTS release, select a variant compatible with your dependencies, and decide how you will keep the base image updated.
Choose a Node image tag and variant
The Node Docker Official Image publishes tags for different Node.js releases and base-image variants. Check its live “Supported tags” list before choosing a tag: availability changes over time.
For production, the Node image project advises using LTS releases. The Node.js release-status page listed v24 (Krypton) and v22 (Jod) as LTS, and v26 as Current, when checked on September 27, 2026. This is a dated snapshot, not a standing recommendation; consult the current release table before selecting a version. A floating tag such as node:lts follows the Active LTS release, while a tag without a version selection may refer to Current rather than LTS.
| Choice | What to consider |
|---|---|
node:<version> |
The general-purpose form. Specify a release version to make your lifecycle intent clear; check the live supported-tags list for available tags. |
node:lts |
A floating tag for the Active LTS release. It can resolve to a different release as the LTS designation moves. |
| Default Debian-based image | A general-purpose option with a broader set of packages than reduced variants. |
slim |
Removes many common packages while retaining the minimum needed to run Node. A build may need additional packages that are absent from this smaller variant. |
alpine |
Smaller, but uses musl libc rather than glibc. Debian-targeted applications may need compatibility work; git and bash are not included by default. |
Variant choice is a compatibility decision as well as a size decision. Check which libraries and tools your build and runtime need before choosing a reduced image. Docker describes Official Images as curated, documented, and regularly updated; that is not a guarantee that a particular image is vulnerability-free. Its trusted content documentation explains the role of Official Images and points to available tags.
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- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
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Build and run a basic container
For a quick test or a simple script, the Node image README shows a short Dockerfile base and the build/run commands below. The node:24 tag is an example from that README, not a permanent version recommendation.
FROM node:24
EXPOSE 8888-
Save the Dockerfile in your application directory, using a currently supported tag appropriate to your project. Add the work directory, dependency installation, file-copy, and startup instructions your application requires; the two-line example above does not install or copy an app.
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-
From that directory, build the image:
docker build -t my-nodejs-app . -
Run the image:
docker run -it --rm --name my-running-app my-nodejs-app
EXPOSE documents the container port in the Dockerfile; it does not publish that port on the host. Add a host-to-container port mapping at runtime or in Compose if you need to reach the application from the host. For a single script, the README also documents running Node directly from the image with a mounted working directory and a command such as node your-script.js.
Build an application image with its dependencies
A real application usually needs dependencies installed and source files copied into the image. Docker’s Node.js guide walks through a fuller application workflow using a Dockerfile, Compose, a .dockerignore file, and multiple build stages. Its current example uses Docker Hardened Images (DHI), which are distinct from the node Official Image; use it as an illustration of the workflow, not as an Official Image configuration.
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Exclude files that do not belong in the build context
Create a .dockerignore file in the build context and exclude local dependencies, generated output, secrets and environment files, version-control metadata, and other material the image does not need. Docker’s build best practices recommend excluding irrelevant files. In particular, do not copy secrets into an image.
Use Compose when it fits your workflow
The Node image README includes a Compose service example with a Node image, a working directory, NODE_ENV=production, a bind mount, a port mapping, and npm start. Adapt the mount to your project: mounting a host working tree that includes node_modules can create environment-specific problems. Docker’s Node guide also uses Compose to build and start its application example.
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Use multiple stages for a production runtime
When compilation or other build tools are not needed to run the application, a multi-stage build can keep them out of the final image. Docker’s Node guide separates builder, dependency, and runtime stages, then puts compiled output and production dependencies in the runtime stage. Choose the base image and copy steps to match your application; the guide’s current DHI example is not the node Official Image.
Keep the base image current and builds predictable
Image tags are mutable: rebuilding from a version tag later may use a newer patch image. That helps you receive publisher updates, but the same build can produce a different base image over time. Docker’s build best practices describe two distinct build options:
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--pullchecks for a newer base image.--no-cachereruns build steps without using the build cache; it does not itself check for a newer base image.
Choose an update policy rather than relying on an accidental mix of moving tags and old cached layers. A version tag plus routine rebuilds lets you pick up publisher updates. Pinning a digest fixes the exact base image for repeatability, but Docker notes that this also means security fixes will not arrive until you deliberately update the digest. If you pin, plan to review upstream updates.
For either policy, use a trusted base that meets the application’s requirements, keep the resulting image appropriately small, and rebuild regularly. Check Docker Hub’s supported-tag list and the Node.js release table when reviewing a version choice.
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