ko
distroless
ko | distroless | |
---|---|---|
29 | 124 | |
7,620 | 18,915 | |
0.7% | 0.9% | |
9.2 | 9.3 | |
9 days ago | 7 days ago | |
Go | Starlark | |
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.
ko
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Fixing ko local image publishing on MacOs
I still use Docker desktop to run containers on my MacBook Air. I know there's Colima but have no time to switch and deal with the consequences. I also recently started using ko for containerizing my Go apps.
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Distroless container images with Apko from Chainguard
Apko leverages the APK package format from Alpine and draws inspiration from ko, a fast container image builder for Go applications.
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What is the most common approach to configure a backend app?
- There're many resources available about containerizing an application, but I suggest you buildpacks or ko, which doesn't require writing a Dockerfile
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Tool to build Docker images
ko
- how to create container for Kubernetes?
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Golang Backend in Production
You don't need to write and manage Dockerfiles. Simply just use ko: https://github.com/google/ko (You also don't need Docker Engine)
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How to containerize your Go app in 10 minutes!
Or don't write a Dockerfile at all, and use ko: https://github.com/google/ko
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Containerd... Do I use Docker to build the container image? I miss the Docker Shim
Here is link number 1 - Previous text "ko"
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HOWTO: Generate Go based multiarch images the easy way
It depends on your use case, but have you ever tried google/ko?
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`COPY --chmod` reduced the size of my container image by 35%
If you're using Go, I recommend https://github.com/google/ko (shameless plug), or for Java, use Jib.
distroless
- Distroless: Language focused Docker images, minus the operating system
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Docker, Linux, Security. Kinda.
That's how we get distroless. Distroless base images follow the same pattern as alpine base docker images, as in, less functionality while still keeping enough functionality to be able to do the job and minimize the attack surface. Minimizing a base image like this means that the base images are very specialized so we have base images for golang, python, java and the like.
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Chainguard Images now available on Docker Hub
lots of questions here regarding what this product is. I guess i can provide some information for the context, from a perspective of an outside contributor.
Chainguard Images is a set of hardened container images.
They were built by the original team that brought you Google's Distroless (https://github.com/GoogleContainerTools/distroless)
However, there were few problems with Distroless:
1. distroless were based on Debian - which in turn, limited to Debian's release cadence for fixing CVE.
2. distroless is using bazelbuild, which is not exactly easy to contrib, customize, etc...
3. distroless images are hard to extend.
Chainguard built a new "undistro" OS for container workload, named Wolfi, using their OSS projects like melange (for packaging pkgs) and apko (for building images).
The idea is (from my understanding) is that
1. You don't have to rely on upstream to cut a release. Chainguard will be doing that, with lots of automation & guardrails in placed. This allow them to fix vulnerabilties extremely fast.
- Language focused Docker images, minus the operating system
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Using Alpine can make Python Docker builds 50× slower
> If you have one image based on Ubuntu in your stack, you may as well base them all on Ubuntu, because you only need to download (and store!) the common base image once
This is only true if your infrastructure is static. If your infrastructure is highly elastic, image size has an impact on your time to scale up.
Of course, there are better choices than Alpine to optimize image size. Distroless (https://github.com/GoogleContainerTools/distroless) is a good example.
- Smaller and Safer Clojure Containers: Minimizing the Software Bill of Materials
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Long Term Ownership of an Event-Driven System
The same as our code dependencies, container updates can include security patches and bug fixes and improvements. However, they can also include breaking changes and it is crucial you test them thoroughly before putting them into production. Wherever possible, I recommend using the distroless base image which will drastically reduce both your image size, your risk vector, and therefore your maintenance version going forward.
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Minimizing Nuxt 3 Docker Images
# Use a large Node.js base image to build the application and name it "build" FROM node:18-alpine as build WORKDIR /app # Copy the package.json and package-lock.json files into the working directory before copying the rest of the files # This will cache the dependencies and speed up subsequent builds if the dependencies don't change COPY package*.json /app # You might want to use yarn or pnpm instead RUN npm install COPY . /app RUN npm run build # Instead of using a node:18-alpine image, we are using a distroless image. These are provided by google: https://github.com/GoogleContainerTools/distroless FROM gcr.io/distroless/nodejs:18 as prod WORKDIR /app # Copy the built application from the "build" image into the "prod" image COPY --from=build /app/.output /app/.output # Since this image only contains node.js, we do not need to specify the node command and simply pass the path to the index.mjs file! CMD ["/app/.output/server/index.mjs"]
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Build Your Own Docker with Linux Namespaces, Cgroups, and Chroot
Lots of examples without the entire OS as other comments mention, an example would be Googles distroless[0]
[0]: https://github.com/GoogleContainerTools/distroless
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Reddit temporarily ban subreddit and user advertising rival self-hosted platform (Lemmy)
Docker doesn't do this all the time. Distroless Docker containers are relatively common. https://github.com/GoogleContainerTools/distroless
What are some alternatives?
kaniko - Build Container Images In Kubernetes
iron-alpine - Hardened alpine linux baseimage for Docker.
golang-sample-app - Example application with Golang and Docker
spring-boot-jib - This project is about Containerizing a Spring Boot Application With Jib
Pomerium - Pomerium is an identity and context-aware reverse proxy for zero-trust access to web applications and services.
jib - 🏗 Build container images for your Java applications.
Dockerfile-Generator - dfg - Generates dockerfiles based on various input channels.
dockerfiles - Various Dockerfiles I use on the desktop and on servers.
Packer - Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.
podman - Podman: A tool for managing OCI containers and pods.
bombardier - Fast cross-platform HTTP benchmarking tool written in Go
docker-alpine - Official Alpine Linux Docker image. Win at minimalism!