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Buildkit Alternatives
Similar projects and alternatives to buildkit
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Onboard AI
Learn any GitHub repo in 59 seconds. Onboard AI learns any GitHub repo in minutes and lets you chat with it to locate functionality, understand different parts, and generate new code. Use it for free at www.getonboard.dev.
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nerdctl
contaiNERD CTL - Docker-compatible CLI for containerd, with support for Compose, Rootless, eStargz, OCIcrypt, IPFS, ...
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InfluxDB
Collect and Analyze Billions of Data Points in Real Time. Manage all types of time series data in a single, purpose-built database. Run at any scale in any environment in the cloud, on-premises, or at the edge.
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Moby
The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems
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skopeo
Work with remote images registries - retrieving information, images, signing content
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runc
CLI tool for spawning and running containers according to the OCI specification
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Concourse
Concourse is a container-based continuous thing-doer written in Go.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better buildkit alternative or higher similarity.
buildkit reviews and mentions
Posts with mentions or reviews of buildkit.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-12-03.
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The worst thing about Jenkins is that it works
> We are uding docker-in-docker at the moment
You can also run a "less privileged" container with all the features of Docker by using rootless buildkit in Kubernetes. Here are some examples:
https://github.com/moby/buildkit/tree/master/examples/kubern...
https://github.com/moby/buildkit/blob/master/examples/kubern...
It's also possible to run dedicated buildkitd workers and connect to them remotely.
- macOS Containers v0.0.1
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Jenkins Agents On Kubernetes
Now since Kubernetes works off of containerd I'll be taking a different approach on handling container builds by using nerdctl and the buildkit that comes bundled with it. I'll do this on the amd64 control plane node since it's beefier than my Raspberry Pi workers for handling builds and build related services. Go ahead and download and unpack the latest nerdctl release as of writing (make sure to check the release page in case there's a new one):
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Cicada - CI/CD platform written with Rust
Yeah, only Linux containers at the moment, BuildKit is the way we are constructing pipelines and doing caching. Split on if we will support non-linux hosts, but definitely want to find a good solution to not doing Docker-in-Docker.
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Better support of Docker layer caching in Cargo
Relevant issues are https://github.com/moby/buildkit/issues/3011 and https://github.com/moby/buildkit/issues/1512.
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DockerHub replacement stratagy and options
If you notice, the same thing I noticed in this list is that most of these are workarounds to support the web2 api on IPFS. There is a pull in draft for BuildKit that may make native IPFS image support better on the image build side. With the work on the nerdctl side being the most direct support for images for pushing and pulling images with IPFS hashes.
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Why I joined Dagger
Last year I joined Dagger after realizing we were trying to solve all of the same problems (escaping YAML hell, unifying CI and dev workflows, minimizing CI overhead – more on all that later). We were even using the same underlying technology (Buildkit) and running into all of the same challenges.
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Rails on Docker · Fly
How would you do this in a generic, reusable way company-wide? Given that you don't know the targets beforehand, the names, or even the number of stages.
It is of course possible to do for a single project with a bit of effort: build each stage with a remote OCI cache source, push the cash there after. But... that sucks.
What you want is the `max` cache type in buildkit[1]. Except... not much supports that yet. The native S3 cache would also be good once it stabalizes.
I know those questions are probably rhetorical, but to answer them anyway:
> > Nice syntax
> Is it though?
The most common alternative is to use a backslash at the end of each line, to create a line continuation. This swallows the newline, so you also need a semicolon. Forgetting the semicolon leads to weird errors. Also, while Docker supports comments interspersed with line continuations, sh doesn't, so if such a command contains comments it can't be copied into sh.
There heredoc syntax doesn't have any of these issues; I think it is infinitely better.
(There is also JSON-style syntax, but it requires all backslashes to be doubled and is less popular.)
*In practice "&&" is normally used rather than ";" in order to stop the build if any command fails (otherwise sh only propagates the exit status of the last command). This is actually a small footgun with the heredoc syntax, because it is tempting to just use a newline (equivalent to a semicolon). The programmer must remember to type "&&" after each command, or use `set -e` at the start of the RUN command, or use `SHELL ["/bin/sh", "-e", "-c"]` at the top of the Dockerfile. Sigh...
> Are the line breaks semantic, or is it all a multiline string?
The line breaks are preserved ("what you see is what you get").
> Is EOF a special end-of-file token
You can choose which token to use (EOF is a common convention, but any token can be used). The text right after the "<<" indicates which token you've chosen, and the heredoc is terminated by the first line that contains just that token.
This allows you to easily create a heredoc containing other heredocs. Can you think of any other quoting syntax that allows that? (Lisp's quote form comes to mind.)
> Where is it documented?
The introduction blog post has already been linked. The reference documentation (https://github.com/moby/buildkit/blob/master/frontend/docker...) mentions but doesn't have a formal specification (unfortunately this is a wider problem for Dockerfiles, see https://supercontainers.github.io/containers-wg/ideas/docker... instead it links to the sh syntax (https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V...), on which the Dockerfile heredoc syntax is based.
(Good luck looking up this syntax if you don't know what it's called. But that's the same for most punctuation-based syntax.)
Unfortunately this syntax is not generally supported yet - it's only supported with the buildkit backend and only landed in the 1.3 "labs" release. It was moved to stable in early 2022 (see https://github.com/moby/buildkit/issues/2574), so that seems to be better, but I think may still require a syntax directive to enable.
Many other dockerfile build tools still don't support it, e.g. buildah (see https://github.com/containers/buildah/issues/3474)
Useful now if you have control over the environment your images are being built in, but I'm excited to the future where it's commonplace!
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A note from our sponsor - InfluxDB
www.influxdata.com | 4 Dec 2023
Stats
Basic buildkit repo stats
52
7,278
8.9
5 days ago
moby/buildkit is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of buildkit is Go.
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