swarm-cronjob
Moby
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swarm-cronjob | Moby | |
---|---|---|
5 | 212 | |
700 | 67,716 | |
- | 0.4% | |
7.9 | 10.0 | |
7 days ago | 5 days ago | |
Go | Go | |
MIT License | 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.
swarm-cronjob
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Efficiency between docker restart and container with sleep
Anything from simple crontab entry to something like this: https://crazymax.dev/swarm-cronjob/
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How do you evaluate if a tool is trustworthy?
So, I found a really nice little tool that solves a problem I have in a really nice way. Specifically, cron jobs on Docker Swarm. This project: https://github.com/crazy-max/swarm-cronjob It uses labels on your services to schedule jobs. Thus it needs access to the docker api, and all the security concerns that go along with it...
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Rancher Desktop, a Docker Desktop Replacement
As i said, if it's not exposed to the outside world and doesn't work with untrusted data, that claim is not entirely valid.
Imagine something like this getting abandoned, or someone running a year old version of it: https://github.com/crazy-max/swarm-cronjob/blob/master/READM...
Its only job is to run containers on a particular schedule, no more no less. There are very few attack vectors for something like that, considering that it doesn't talk to the outside world, nor processes any user input data.
Then again, it's not my job to pass judgement on situations like that, merely acknowledge that they exist and therefore the consequences of those suddenly breaking cannot be ignored.
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Docker Swarm cron job manager
I also found swarm-cronjob and ofelia both seems promising. BUT , I really like the idea of an interface to watch log files etc.
Moby
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Release Radar • March 2024 Edition
Having been featured in our February 2023, and January 2024 Release Radars, Moby is the original Linux Container runtime. This new version adds a bunch of changes to the Docker CLI and Moby itself with additional features. There's bug fixes and enhancements, with the main thing for users to be on the look out for containers that were created using Docker Engine 25.0.0. These containers might have duplicate MAC addresses, and thus must be recreated. The same goes for those containers created with Moby 25.0+ and with user defined MAC addresses. Read up on all these changes in the release notes.
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Choosing a Name for Your Computer
Formlabs does this as well for their 3d printers, my earliest encounter of this was when Docker started getting popular: https://github.com/moby/moby/blob/master/pkg/namesgenerator/...
- Docker Inc. refuses to patch HIGH vulnerabilities in Docker
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Do not install Docker Desktop on GNU/Linux systems
Try to use moby instead since that is the engine in Docker.
https://github.com/moby/moby
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Exploring Podman: A More Secure Docker Alternative
> Podman is designed to help with this by providing stronger default security settings compared to Docker. Features like rootless containers, user namespaces, and seccomp profiles, while available in Docker, aren't enabled by default and often require extra setup.
Seccomp has been enabled by default since 2015: https://github.com/moby/moby/pull/18780
It is true that Rootless isn't enabled by default but its "extra setup" can be done with a single command (`dockerd-rootless-setuptool.sh install`)
- Moby: Block io_uring_* syscalls in default profile
- Io_uring will be blocked by default on Docker
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OpenZFS 2.2: Block Cloning, Linux Containers, BLAKE3
Perhaps.
Thing is, https://github.com/moby/moby/blob/670bc0a46c4ca03b75f1e72f73... is using https://github.com/mistifyio/go-zfs which features code like `out, err := zfsOutput("get", "-H", key, d.Name)` (Source: https://github.com/mistifyio/go-zfs/blob/master/zfs.go#L315) to get a single zfs property.
Somebody chose to use a library as abstraction that looks good but is implemented as a MVP (nothing wrong with that). "In the future, we hope to work directly with libzfs" should have raised an alarm somewhere, though.
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The Twelve-Factor App
AppArmor can restrict /proc and this is even used by docker: https://github.com/moby/moby/blob/master/contrib/apparmor/te...
What are some alternatives?
ofelia - A docker job scheduler (aka. crontab for docker)
podman - Podman: A tool for managing OCI containers and pods.
swarm-scheduler - A distributed scheduler for docker swarm mode using Compose and Cron
containerd - An open and reliable container runtime
Airflow - Apache Airflow - A platform to programmatically author, schedule, and monitor workflows
nerdctl - contaiNERD CTL - Docker-compatible CLI for containerd, with support for Compose, Rootless, eStargz, OCIcrypt, IPFS, ...
Diun - Receive notifications when an image is updated on a Docker registry
docker-openwrt - OpenWrt running in Docker
k3s - Lightweight Kubernetes
longhorn - Cloud-Native distributed storage built on and for Kubernetes
k3d - Little helper to run CNCF's k3s in Docker