nerdctl
Harbor
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nerdctl | Harbor | |
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33 | 73 | |
7,356 | 22,318 | |
2.5% | 2.2% | |
9.6 | 9.7 | |
5 days ago | 2 days ago | |
Go | Go | |
Apache License 2.0 | Apache License 2.0 |
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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.
nerdctl
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Colima k8s nix setup
What about the docker-cli? colima also ships with a docker-compatible cli to interact with containerd called nerdctl. We can execute the same docker cli commands like:
- Nerdctl v2 Beta
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Nginx Unit – Universal web app server
Using nerdctl: https://github.com/containerd/nerdctl
I'd really disagree that compose files are somehow one-shot, or blindly modified. To the contrary, really, we have them checked in with the source code. Upon deployment to the cluster, the (running) services will be intelligently updated or replaced (in a rolling manner, causing zero downtime). LXC might be more elegant, but I have no idea what simple, file-based format I could use to let engineers describe the environment their app should run in without compose.
I need something that even junior devs can start up with a single command, that can be placed in the VCS along with the code, and that will not require deep Linux knowledge to get running. Open for suggestions here, really.
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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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Going through a Kubernetes training with autogenerated captions and about half are coming up like this.
That's why nerdctl, their cli binary, is so well named.
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Python + containerd? Who might be interested?
Well, it is indeed a good option. However, containerd is a good alternative that is growing even among developers. Please see: https://github.com/containerd/nerdctl
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How to own your own Docker Registry address
Nerdctl/containerd has IPFS support :)
https://github.com/containerd/nerdctl/blob/main/docs/ipfs.md
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DockerHub replacement stratagy and options
nerdctl supports IPFS for both image pulling and pushing, including encrypted images and eStargz lazy pulling. For building, the current method is a locally hosted translator so that the traditional pulls can be converted to work over IPFS. They even have docs on running it on k8s node, though if my reading is correct this isn't exactly a cloud native approach (running systemd services on each node...).
- Docker's deleting Open Source images and here's what you need to know
- Release v1.0.0 · containerd/nerdctl
Harbor
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Signing container images: Comparing Sigstore, Notary, and Docker Content Trust
Now that you know a little more about Cosign, Notary, and DCT, we will take it one step further by using one of these tools: Cosign. For this example, we will use the simple Docker registry:2 reference image to run a simple registry. In a real-world scenario, a managed registry such as Harbor, Amazon ECR, Docker Hub, etc.
- Docker pull through cache to multiple upstreams, that you can also push to
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tcp i/o timeout when installing network plugin in "high secure environment"
Have a look at harbor, you can also use it to follow the same methods for helm charts etc.
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How to build a docker image and still use Watchtower
Or for something more advanced https://goharbor.io/
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Scan selfhosted docker images for vulnerabilities automatically
Look at https://goharbor.io/
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Docker has reversed its decision to sunset the “Docker Free Team” plan.
You can host your own image repo if your feeling feisty. Harbor is a graduated project from the CNCF and they are also working on a new implementation called Dragonfly. https://goharbor.io/
- We're no longer sunsetting the Free Team plan | Docker
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Docker's deleting Open Source images and here's what you need to know
Does anybody know whether there could be something like an open/libre container registry?
Maybe the cloud native foundation or the linux foundation could provide something like this to prevent vendor lock-ins?
I was coincidentially trying out harbor again over the last days, and it seems nice as a managed or self-hosted alternative. [1] after some discussions we probably gonna go with that, because we want to prevent another potential lock-in with sonarpoint's nexus.
Does anybody have similar migration plans?
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Iron Bank: Secure Registries, Secure Containers
2) Harbor instance registry
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Open source/free registry with HA
Does it HAVE to be those types of packages, have you thought of using containers instead and thus open the options for more types of storage like https://goharbor.io/ ?
What are some alternatives?
lima - Linux virtual machines, with a focus on running containers
Portainer - Making Docker and Kubernetes management easy.
podman-compose - a script to run docker-compose.yml using podman
Dragonfly - This repository has be archived and moved to the new repository https://github.com/dragonflyoss/Dragonfly2.
kaniko - Build Container Images In Kubernetes
phoneinfoga - Information gathering framework for phone numbers
podman - Podman: A tool for managing OCI containers and pods.
chartmuseum - helm chart repository server
Moby - The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems
gitlab
k3s - Lightweight Kubernetes
distribution - The toolkit to pack, ship, store, and deliver container content