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dive 0.13.1, published by Alex Goodman, is a command-line utility designed for interactive inspection of Docker and OCI container images, with five released versions to date. The program opens a terminal-based interface that dissects an image layer-by-layer, revealing the exact files added, modified, or deleted in each step of the build history. By surfacing cumulative size and delta statistics, dive helps developers identify bulky packages, redundant dependencies, or forgotten build artifacts that inflate the final image. Typical use cases include optimizing base images before production deployment, auditing third-party containers for unexpected bloat, and teaching container best practices through visual feedback. DevOps engineers integrate dive into CI pipelines to set thresholds on wasted space, while security teams use it to verify that sensitive files are truly excluded. The tool supports both local Docker daemons and exported tar archives, making it equally useful for offline analysis. Navigation is keyboard-driven: arrow keys traverse the layer list, while the file tree updates instantly to show the impact of the selected layer; a toggle switches between aggregate and per-layer views. Sorting options highlight the largest directories or most recent changes, and a built-in filter narrows results to specific paths or wildcards. dive is categorized as a Developer / Debugging utility and runs on Linux, macOS, and Windows terminals without additional dependencies. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version, and supporting batch installation of multiple applications.
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