container-diff ☆

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Description:
Diff your Docker containers

Type: Formula | Latest Version: 0.19.0@0 | Tracked Since: Dec 17, 2025

Links: Homepage | @ContainerTools | formulae.brew.sh

Category: Developer tools

Tags: docker container diff devops comparison

Install: brew install container-diff

About:
container-diff is a command-line tool that facilitates comparing Docker container images across various dimensions. It analyzes differences between images at the filesystem, package manager, and apt/yum level. This utility helps developers understand image changes, optimize layers, and debug build issues effectively.

Key Features:

Supports diffing images by filesystem, apt, and pip packages
Compares local images, remote images, and tar archives
Outputs results in human-readable or structured JSON format
Integrates with Docker and containerd runtimes

Use Cases:

Debugging why a new image build is larger than expected
Verifying that security patches were applied correctly in container layers
Auditing changes between development and production container versions

Alternatives:

Dive – Dive focuses on exploring Docker image layers interactively, whereas container-diff specializes in automated comparisons between two images.
Hadolint – Hadolint lints Dockerfiles for best practices, while container-diff analyzes the resulting built images for actual content differences.

License: Apache-2.0

Bottles available for: arm64_sequoia, arm64_sonoma, arm64_ventura, arm64_monterey, sonoma, ventura, monterey, x86_64_linux

Version History

Detected	Version	Rev	Change	Commit
Sep 14, 2024 8:03pm		0	VERSION_BUMP	c5eb5dd6