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k3s

K3s is a lightweight Kubernetes distribution by Rancher Labs intended for IoT, Edge, and cloud deployments.

k3s

k3s Reviews and Details

This page is designed to help you find out whether k3s is good and if it is the right choice for you.

Screenshots and images

  • k3s Landing page
    Landing page //
    2022-11-09

Features & Specs

  1. Lightweight

    K3s is designed to be lightweight and less resource-intensive compared to full Kubernetes distributions, making it ideal for edge and IoT devices, as well as development environments.

  2. Easy Installation

    K3s provides a simple installation process, requiring only a single binary for installation, which simplifies the setup procedure for users.

  3. Low Resource Usage

    By stripping away non-essential features, K3s consumes significantly fewer resources, lowering the barrier to entry for running Kubernetes on resource-constrained environments.

  4. Fully CNCF Conformant

    K3s is certified by the Cloud Native Computing Foundation (CNCF) as conformant with standard Kubernetes, meaning it follows the same API and operational model.

  5. Built-In Database

    K3s includes an embedded SQLite database by default, which simplifies deployment and reduces the complexity associated with managing an external etcd cluster.

  6. Automated TLS Management

    K3s has integrated support for TLS certificates management, which helps in ensuring secure communications between components without additional configuration.

  7. Ecosystem Compatibility

    K3s supports popular Kubernetes add-ons and CI/CD tools, so it can be seamlessly integrated into existing Kubernetes-based workflows.

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Videos

Siroko K3s Sun Glasses Unboxing and Review | Big Muscle Gains

Elecraft K3S Transceiver Review

Social recommendations and mentions

We have tracked the following product recommendations or mentions on various public social media platforms and blogs. They can help you see what people think about k3s and what they use it for.
  • Rebuilding My Homelab with Compose, Ruby, IPv6, and No Kubernetes
    Agreed, personally I'd only do it through a hosted provider or maybe consider https://k3s.io for a bit simpler setup. I'd also only do it if Kubernetes is something I'm already familiar with. - Source: Hacker News / 9 days ago
  • Postgres rewritten in Rust, now passing 100% of the Postgres regression tests
    > but it's still a singleton instance, so where do you run it? Most hardware doesn't give you enough uptime for what you need here, because what you actually needed was a re-architecture for distribution / failover / whatever, and while you could ask your LLM to do that you aren't going to run your bank on the result. If only we had a way to solve these issues with tools capable of running Rust programs in that... - Source: Hacker News / 11 days ago
  • TimescaleDB compresses time-series data
    At StackGres [1] we find Timescale to be one of the most used extensions. Timescale is quite a successful project! StackGres is actually the first solution recommended by Timescale for self-hosting with Kubernetes operators [2]. So if you are into Kubernetes (or if not, consider it, using something like K3s [3] is quite straightforward and lightweight on resources), this is probably a great option to self-host... - Source: Hacker News / about 1 month ago
  • Kubernetes testing w/ Dagger.io
    What we need is a way to bootstrap a Kubernetes Cluster itself. Being in a docker-like environment the best option is a Kubernetes in Docker solution, Such as KinD or K3s. Both are available in Daggerverse and can be installed as external module to be reused. - Source: dev.to / 2 months ago
  • How I Cut Our GitHub Actions Pipeline Time by More Than 50%
    Before landing on the base image approach, my first assumption was that the Kubernetes cluster setup was the bottleneck - we use kind to run dependencies like PostgreSQL and NATS. I replaced kind with k3s. It saved 1โ€“2 minutes, but nothing significant on its own. - Source: dev.to / 4 months ago
  • Docker Compose vs Kubernetes: Secure Homelab Choices
    I use K3s specifically because full Kubernetes is absurd for a homelab. K3s strips out the cloud-provider bloat and runs the control plane in a single binary. My cluster runs on a box with 32GB RAM โ€” plenty for ~40 pods. - Source: dev.to / 4 months ago
  • Stop babysitting your AI agent!
    NVIDIA seems to agree. Their OpenShell project takes the same approach: sandboxed execution environments with declarative YAML policies governing egress, filesystem access, and credentials. It uses containers (K3s under the hood) as the isolation boundary. - Source: dev.to / 4 months ago
  • Docker Swarm vs. Kubernetes in 2026
    Https://k3s.io/ is my new goto for this Docker Swarm doesn't have the mindshare for effective hiring. - Source: Hacker News / 5 months ago
  • My 2025 review
    Start with small-scale experiments using k3s/k3d. - Source: dev.to / 7 months ago
  • Reinventing Kubernetes in 2025: a post-mortem of my โ€œsimpleโ€ stack
    K3s lightweight Kubernetes for sane people. - Source: dev.to / 9 months ago
  • OTEL Observability with Langfuse for Strands Agents
    I am using K3S for launching a single node kubernetes cluster. - Source: dev.to / 11 months ago
  • Kubernetes Overview: Container Orchestration & Cloud-Native
    Yes, tools like Minikube, kind, and k3s create single-node clusters for development and testing. However, production Kubernetes is designed for distributed environments. Single-node deployments forfeit high availability, scalability, and fault tolerance benefits that justify Kubernetes complexity. - Source: dev.to / 11 months ago
  • Setting up a Docker Hub pull-through cache with Tigris
    A server with Docker and Docker Compose installed Or a Kubernetes cluster with HTTP ingress set up (such as with k3s and Traefik). - Source: dev.to / about 1 year ago
  • What Would a Kubernetes 2.0 Look Like
    > I'd want k8s-lite, that was more opinionated and less flexible You seem to want something like https://skateco.github.io/ (still compatible to k8s manifests). Or maybe even something like https://uncloud.run/ Or if you still want real certified Kubernetes, but small, there is https://k3s.io/. - Source: Hacker News / about 1 year ago
  • Scaling Spin Apps With KEDA
    Setting up the Kubernetes cluster and the AWS SQS queue is outside the scope of this article, but you can deploy an Amazon EKS cluster by following this guide, or use k3s as a lightweight, local alternative. For setting up an SQS queue, refer to this tutorial. - Source: dev.to / over 1 year ago
  • My 2024 review
    Start with small-scale experiments using k3s/k3d. - Source: dev.to / over 1 year ago
  • Using SpinKube on Kairos
    This will initialize K3S (a lightweight Kubernetes distribution), and will configure the Kairos SpinKube bundle we will install in a moment. - Source: dev.to / over 1 year ago
  • A Very Deep Dive Into Docker Builds
    Finally the main reason for us is the choice of runtime. We have very decent container runtimes (RKE, RHOS, K3s) available to deploy applications. We are very familiar with them, and they offer us a lot of functionality. These all support containers primarily. - Source: dev.to / over 1 year ago
  • Building a Kubernetes Cluster from Scratch With K3s And MetalLB
    I used K3S in my cluster because it is a lightweight, stripped-down version of Kubernetes thatโ€™s ideal for running on resource-constrained devices like Raspberry PIs I plan to use in my home lab cluster. K3S can be installed through a shell script:. - Source: dev.to / over 1 year ago
  • Lightweight Kubernetes and Wasm is a Perfect Combo
    In the last few years, weโ€™ve witnessed the introduction of several new lightweight Kubernetes distributions. SUSEโ€™s Rancher Labs k3s project was one of the earliest. Canonical now includes Microk8s in Ubuntu. And k0s is a single-binary Kubernetes distribution. - Source: dev.to / over 1 year ago
  • Create your K3S lab on Google Cloud
    K3S is a Kubernetes distribution made by Rancher, made to be as lightweight as possible while being compatible with Kubernetes production standards. - Source: dev.to / almost 2 years ago

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Is k3s good? This is an informative page that will help you find out. Moreover, you can review and discuss k3s here. The primary details have not been verified within the last quarter, and they might be outdated. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.