harbormaster
Moby
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harbormaster | Moby | |
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27 | 212 | |
- | 67,716 | |
- | 0.4% | |
- | 10.0 | |
- | 2 days ago | |
Go | ||
- | Apache License 2.0 |
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harbormaster
- Harbormaster: The Tiniest Container Orchestrator
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Ask HN: What hardware are you running for your home server?
I use an HP ProLiant Microserver with four drives in a ZFS RAIDZ array and an SSD for the OS. For software, I mostly run it in Docker using a very small container orchestration program I wrote:
https://gitlab.com/stavros/harbormaster
- MRSK vs. Fly.io
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I am a one-man show: Deployment and infrastructure for a 150k/m visits webapp
I needed something that would restart containers automatically when I pushed to a branch, so I wrote a few lines of code to do it:
https://gitlab.com/stavros/harbormaster
As far as PaaSes go, it's probably the simplest, and works really well.
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My VM is Lighter (and Safer) than your Container
I was in the same boat as you and built something simple that I really like:
https://gitlab.com/stavros/harbormaster
It'll just pull some repos, make sure the containers are up, and make your configuration simple and discoverable. It really works great at that.
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Exposing a web service with Cloudflare Tunnel
I do this for our services, it works great and we can easily put SSO in front of them with CF Access. I publish a Docker container that you can use as a sidecar for your Compose deployments:
https://gitlab.com/stavros/docker-cloudflared
I use this with Harbormaster (https://gitlab.com/stavros/harbormaster) so I can expose containerized stuff without ever forwarding any ports outside of Docker.
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I Miss RSS
I use Dokku for that (I can share my Bitwarden repo if you want, the entire thing is four lines or something). I also made https://gitlab.com/stavros/harbormaster for things that weren't so "web server -> app -> database" and love it.
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Self-Hosting Dozens of Web Applications and Services on a Single Server
I had the same problem and didn't want to manage things by hand, so I wrote Harbormaster:
https://gitlab.com/stavros/harbormaster
It basically pulls Compose apps from the git repositories you specify, builds the containers and makes sure they're running. Pretty simple and works really well for me.
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Setting Up Cloudflare Argo and Access on a Raspberry Pi
(This post should read "Argo tunnel" instead of just "Argo")
I did the same to enable secure access to services via SSO at work. I used Harbormaster[1] to deploy Compose files, but it's otherwise the same setup.
One of the big advantages this has is that the services can't be accessed any other way (not even from the same host, as they only listen inside the Docker network). That makes it hard to forget some port exposed because you listened to 0.0.0.0 instead of localhost.
Cloudflare access is very easy to set up SSO with, as well. I'd recommend this setup if you need it, though for home usage I usually just set up Caddy as a reverse proxy with basic auth, as I'll be the only person using this and I don't want Cloudflare MITMing my personal stuff.
[1]: https://gitlab.com/stavros/harbormaster
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What is the cleanest way to deploy a docker-compose stack to a remote server?
Something like harbormaster? https://gitlab.com/stavros/harbormaster
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?
swarmpit - Lightweight mobile-friendly Docker Swarm management UI
podman - Podman: A tool for managing OCI containers and pods.
ufw-docker - To fix the Docker and UFW security flaw without disabling iptables
containerd - An open and reliable container runtime
nixos-infect - [GPLv3+] install nixos over the existing OS in a DigitalOcean droplet (and others with minor modifications)
nerdctl - contaiNERD CTL - Docker-compatible CLI for containerd, with support for Compose, Rootless, eStargz, OCIcrypt, IPFS, ...
docker-box - A lightweight docker application platform for single servers.
docker-openwrt - OpenWrt running in Docker
Dokku - A docker-powered PaaS that helps you build and manage the lifecycle of applications
ofelia - A docker job scheduler (aka. crontab for docker)
neural-hash-collider - Preimage attack against NeuralHash 💣
k3d - Little helper to run CNCF's k3s in Docker