dive
cruftspy
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dive
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Mastering Docker Image Optimization: 6 Key Strategies for building Lighter, Faster, and Safer images
Dive is an open-source tool that allows you to explore the various layers of a Docker image. It shows you the content of each layer and helps you identify voluminous or unnecessary parts.
- Optimisation des images Docker: 6 Stratégies clés pour des images plus légeres et plus performantes
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I reduced the size of my Docker image by 40% – Dockerizing shell scripts
Dive is a great tool for debugging this. I like image reduction work just because it gives me a chance to play with Dive: https://github.com/wagoodman/dive
One easy low hanging fruit I see a LOT for ballooning image sizes is people including the kitchen sink SDK/CLI for their cloud provider (like AWS or GCP), when they really only need 1/100 of that. The full versions of both of these tools are several hundred mb each
- Dive: A tool for exploring a Docker image, layer contents and more
- Dive – A tool for exploring each layer in a Docker image
- FLaNK Stack Weekly for 12 September 2023
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Dive Into Docker part 4: Inspecting Docker Image
This post is going to be shorter. I'd like to highlight a tool that I really enjoy working with called "Dive" It is an essential tool when working to build and optimize docker containers.
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Top 10 CLI Tools for DevOps Teams
Whether you work with Docker regularly or even create your own Docker containers, Dive is a great tool for streamlining image sizes, potentially helping you save storage costs and speed up deployments.
- Dive – exploring a Docker image, layer contents, and shrinking a image size
- Dive: A tool for exploring a Docker image's layer contents
cruftspy
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Rails on Docker · Fly
If you want to check your images for some common leftover files in all the layers, I made an app for that: https://github.com/viraptor/cruftspy
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Minify your container by up to 30x to be more secure (free and open source)
If you want a quick double check to verify a handful of common cleanups, check out https://github.com/viraptor/cruftspy, which reports cruft like logs, caches, and git repos.
What are some alternatives?
skopeo - Work with remote images registries - retrieving information, images, signing content
docker-show-context - Show where time is wasted during the context upload of `docker build`
Lean and Mean Docker containers - Slim(toolkit): Don't change anything in your container image and minify it by up to 30x (and for compiled languages even more) making it secure too! (free and open source)
lamby - 🐑🛤 Simple Rails & AWS Lambda Integration
buildkit - concurrent, cache-efficient, and Dockerfile-agnostic builder toolkit
bgems - Binary rubygems
lnav - Log file navigator
distroless - 🥑 Language focused docker images, minus the operating system.
Whaler - Program to reverse Docker images into Dockerfiles
dockerfile-rails - Provides a Rails generator to produce Dockerfiles and related files.
docker-projects