buildx
Lean and Mean Docker containers
buildx | Lean and Mean Docker containers | |
---|---|---|
28 | 38 | |
3,230 | 18,194 | |
1.5% | 0.7% | |
9.6 | 9.0 | |
7 days ago | 7 days ago | |
Go | Go | |
Apache License 2.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
buildx
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BuildKit in depth: Docker's build engine explained
This is great! I’ve been waiting a long time for this and it seems like more debug features are in the pipeline too: https://github.com/docker/buildx/issues/1104
Docs: https://docs.docker.com/engine/reference/commandline/buildx_...
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Nx + NextJS + Docker - The Nx way: Creating the NextJS application
Container engine: Docker v23.0.4 | Buildx v0.10.4
- Using Docker Buildx to Create Cross-Platform Docker Images for Seamless Compatibility
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Cross-platform container images with buildx and colima
ARCH=amd64 # change to 'arm64' for M1 VERSION=v0.10.4 curl -LO https://github.com/docker/buildx/releases/download/${VERSION}/buildx-${VERSION}.darwin-${ARCH} mkdir -p ~/.docker/cli-plugins mv buildx-${VERSION}.darwin-${ARCH} ~/.docker/cli-plugins/docker-buildx chmod +x ~/.docker/cli-plugins/docker-buildx docker buildx version # verify installation
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Help Downloading Buildx on Play-with-Docker Instance
wget -O /tmp/docker/cli-plugins/docker-buildx https://github.com/docker/buildx/releases/tag/v0.10.4/buildx-v0.10.4.linux-amd64
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docker-ce upgrade broke my builds
Your particular one looks somewhat like https://github.com/docker/buildx/issues/1595.
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One Dockerfile is all it takes, falling in love with bake
Now, we have examples of the actual definitions for a single application’s docker container. Notice that we set the contexts key here which references the dependency targets we just defined. You can basically think of this like the depends_on block if you’ve used Terraform before. The args key let’s us populate the ARG variables in the Dockerfile. This is what is ultimately different between each of the containers. In the future, the buildx team might support using for_each loops like in Terraform but for now each block will have a bit of duplication.
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Optimize your docker containers
Now as bonus we i will add how to use this techniques to build a multi arch build container. Maybe you have the same application but you need to run it in arm or riscv architecture. For this we can use the buildx plugin from docker https://github.com/docker/buildx.
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Pushing Cutom Images to Docker Hub using GitHub Actions
Third step is docker/setup-buildx-action configures buildx, which is a Docker CLI plugin that provides enhanced build capabilities.
- How to build multi-architecture Docker images?
Lean and Mean Docker containers
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Is updating software in Docker containers useful?
And if you want to make the container quickly secure without bloats, maybe give this a try https://github.com/slimtoolkit/slim
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An Overview of Kubernetes Security Projects at KubeCon Europe 2023
Slim.ai presents the data in a more user friendly way than many of the other tools in this post. On top of its open source SlimToolkit for identifying the contents of an image, Slim.ai uses Trivy for vulnerability scanning.
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Tips for reducing Docker image size
What about https://github.com/slimtoolkit/slim?
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package a poetry project in a docker container for production
A last practice that I do not use at all and which may interest you is to use slim toolkit to keep only the useful elements in your final image.
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Standard container sizes
Anyone tried using https://github.com/docker-slim/docker-slim To minify an image?..
- DockerSlim - Optimize Your Containerized App Dev Experience. Better, Smaller, Faster, and More Secure Containers Doing Less! Minify Docker Images by up to 30x.
- A practical approach to structuring Golang applications
- How to optimize docker image size?
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M1: Docker doesn't find shared x64 shared objects even though platform was specified
Distroless images are better left for people with serious need for lightweight images and good Linux knowledge because they require lot of planning with the build so that they stay light and work. If you need lighter images but docker isn't your main tool and you can't afford to take hours and hours of practicing different build strategies you can check docker-slim (https://dockersl.im/). With this tool you can easily size down the images.
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I deleted 78% of my Redis container and it still works
Maybe this would help in that regard: https://github.com/docker-slim/docker-slim
What are some alternatives?
buildkit - concurrent, cache-efficient, and Dockerfile-agnostic builder toolkit
minideb - A small image based on Debian designed for use in containers
ghaction-docker-meta - GitHub Action to extract metadata (tags, labels) for Docker [Moved to: https://github.com/docker/metadata-action]
Go random string generator - Flexible and customizable random string generator
aws-graviton-getting-started - Helping developers to use AWS Graviton2 and Graviton3 processors which power the 6th and 7th generation of Amazon EC2 instances (C6g[d], M6g[d], R6g[d], T4g, X2gd, C6gn, I4g, Im4gn, Is4gen, G5g, C7g[d][n], M7g[d], R7g[d]).
pipx - Install and Run Python Applications in Isolated Environments
crates.io-index - Registry index for crates.io
dive - A tool for exploring each layer in a docker image
build-push-action - GitHub Action to build and push Docker images with Buildx
gophish - Open-Source Phishing Toolkit
multi-platform-docker-build - Using BuildKit and TARGETPLATFORM for cross-platform Dockerfiles
simple-scrypt - A convenience library for generating, comparing and inspecting password hashes using the scrypt KDF in Go 🔑