umoci ☆

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Description:
Reference OCI implementation for creating, modifying and inspecting images

Type: Formula | Tracked Since: Feb 13, 2026

Links: Homepage | GitHub | Docs | formulae.brew.sh

Stars: 878 | Forks: 113 | Language: Go | Category: Devops

Tags: oci containers devops image-tool go

Install: brew install umoci

About:
Umoci is a command-line tool that provides a reference implementation for working with Open Container Initiative (OCI) images. It enables users to create, modify, unpack, and inspect OCI container images without requiring a container runtime. Its main value is offering low-level, runtime-agnostic control over OCI image layouts and metadata.

Key Features:

OCI image manipulation (create, modify, unpack)
Runtime-agnostic operation
Support for OCI image layout and metadata
Layer extraction and inspection
Integration with umoci/oci-image-tool

Use Cases:

Building and modifying OCI-compliant container images
Inspecting and debugging OCI image layers and metadata
Integrating OCI image handling into CI/CD pipelines

Alternatives:

skopeo – Focuses on copying and inspecting container images between registries, while umoci provides lower-level image manipulation.
buildah – Specializes in building OCI/Docker images, whereas umoci is more for direct image layout manipulation.

Version History

Detected	Version	Rev	Change	Commit
Feb 13, 2026 8:59pm		0	META	7a00a64c