cek ☆

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Description:
Explore the (overlay) filesystem and layers of OCI container images

Type: Formula | Tracked Since: Jan 5, 2026

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: oci containers inspector devops cli

Install: brew install cek

About:
Cek is a command-line tool designed to inspect the contents and structure of OCI container images without needing to pull or run them. It allows users to explore layers, manifest configurations, and filesystem overlays directly from a remote registry. This provides a fast and efficient way to audit image contents for security or debugging purposes.

Key Features:

Inspect remote OCI images without pulling them
Explore individual layers and filesystem overlays
View image manifests and configuration details
Fast and lightweight CLI interface

Use Cases:

Auditing container image contents for security vulnerabilities or bloat
Debugging build issues by inspecting layers from a registry
Verifying file locations and changes within an image

Alternatives:

docker – Requires pulling the full image to inspect it, whereas cek works directly with the registry.
skopeo – A broader tool for copying and inspecting images; cek focuses specifically on exploring filesystem layers.

Version History

Detected	Version	Rev	Change	Commit
Jan 5, 2026 7:54pm		0	META	4e2d7e9e