nix2container

About

nix2container is ranked #18 of 32 in container build tools on Inferse. It runs on Linux. There is a free plan.

Compared on container build tools

Build method

daemonlessgithub.com

Facts

Purpose

Builds container images with Nix without writing tarballs to the Nix store.github.com · 4 Oct 2026

Layer reuse

Can skip already pushed layers without rebuilding them.github.com · 4 Oct 2026

Image formats

The image configuration follows the OCI image specification.github.com · 4 Oct 2026

Image loading

Examples show loading images into Docker and Podman.github.com · 4 Oct 2026

Base images

Can pull base images from a container registry by digest or from a supplied manifest file.github.com · 4 Oct 2026

Layer caching

Dedicated layers can isolate dependencies so unchanged layers need not be rebuilt or pushed.github.com · 4 Oct 2026

Permissions

File permissions can be set when a tar layer is created without writing those permissions to the Nix store.github.com · 4 Oct 2026

Registry authentication

The documentation describes configuring registry authentication for Nix daemon builds using Docker credentials and a Skopeo auth file.github.com · 4 Oct 2026

Architecture

The getting-started example selects the x86_64-linux system.github.com · 4 Oct 2026

Security setting

Image-pull functions default tlsVerify to true.github.com · 4 Oct 2026

License

The repository includes the Apache License, Version 2.0.github.com · 4 Oct 2026

Support

Commercial support is available for customizations, image optimizations, best-practices guidance, and bug fixes by contacting the maintainer.github.com · 4 Oct 2026

Testing limitation

The project documentation says its container tests do not run in the Nix sandbox because running a container there is currently not possible.github.com · 4 Oct 2026

Where it ranks on Inferse

• Best Container Build Tools in 2026#18 of 32

Sources

• github.com/nlewo/nix2container· checked 4 Oct 2026
• github.com/nlewo/nix2container/blob/master/LICENSE· checked 4 Oct 2026