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Compose on Kubernetes VS k3s

Compare Compose on Kubernetes VS k3s and see what are their differences

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Compose on Kubernetes logo Compose on Kubernetes

Deploy applications described in Compose onto Kubernetes clusters - docker/compose-on-kubernetes

k3s logo k3s

K3s is a lightweight Kubernetes distribution by Rancher Labs intended for IoT, Edge, and cloud deployments.
  • Compose on Kubernetes Landing page
    Landing page //
    2023-08-18
  • k3s Landing page
    Landing page //
    2022-11-09

Compose on Kubernetes features and specs

No features have been listed yet.

k3s features and specs

  • 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.
  • Easy Installation
    K3s provides a simple installation process, requiring only a single binary for installation, which simplifies the setup procedure for users.
  • 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.
  • 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.
  • 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.
  • Automated TLS Management
    K3s has integrated support for TLS certificates management, which helps in ensuring secure communications between components without additional configuration.
  • Ecosystem Compatibility
    K3s supports popular Kubernetes add-ons and CI/CD tools, so it can be seamlessly integrated into existing Kubernetes-based workflows.

Possible disadvantages of k3s

  • Reduced Feature Set
    To keep K3s lightweight, some non-essential Kubernetes features and components are omitted or replaced, which might limit functionality for more advanced use cases.
  • Lack of Scalability
    K3s is optimized for smaller clusters and edge environments, so it may not scale as efficiently as standard Kubernetes distributions in large, enterprise-level deployments.
  • Embedded SQLite Limitations
    While the built-in SQLite database simplifies initial setup, it may not handle high write loads or offer the same reliability and performance as an external etcd cluster for production environments.
  • Community and Enterprise Support
    Although supported by the Kubernetes community, K3s may have less enterprise-grade support and fewer educational resources compared to other full-featured Kubernetes distributions.
  • Ecosystem Integration
    Certain Kubernetes tools or cloud services optimized for full Kubernetes distributions may not work seamlessly with K3s, requiring custom configurations or workarounds.
  • Limited Networking Options
    K3s might have fewer networking configuration options compared to full-featured Kubernetes implementations, potentially restricting advanced network setup.
  • Simplified Security Model
    K3s implements a simplified security model which might lack some advanced security features and policies found in the standard Kubernetes distribution.

Compose on Kubernetes videos

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k3s videos

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Siroko K3s Sun Glasses Unboxing and Review | Big Muscle Gains

More videos:

  • Review - Elecraft K3S Transceiver Review

Category Popularity

0-100% (relative to Compose on Kubernetes and k3s)

Compose on Kubernetes

k3s

Cloud Computing
10 10%
Cloud Computing
90% 90
PaaS
100 100%
PaaS
0% 0
DevOps Tools
7 7%
DevOps Tools
93% 93
Developer Tools
0 0%
Developer Tools
100% 100

User comments

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Social recommendations and mentions

Based on our record, k3s seems to be a lot more popular than Compose on Kubernetes. While we know about 175 links to k3s, we've tracked only 1 mention of Compose on Kubernetes. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Compose on Kubernetes mentions (1)

  • why was Compose on Kubernetes discontinued? what to use instead?
    Like the title says, https://github.com/docker/compose-on-kubernetes is no longer maintained, with no explanation why or recommendations on what to use instead. I've briefly looked at Kompose as an alternative, but I don't like how it's a converter. I'd like the source of truth to exist inside a single, simple YAML file, like a docker-compose file. Source: about 4 years ago

k3s mentions (175)

  • 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 / 5 months ago
  • My 2024 review
    Start with small-scale experiments using k3s/k3d. - Source: dev.to / 5 months 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 / 5 months 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 / 6 months 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 that’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 / 6 months ago
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What are some alternatives?

When comparing Compose on Kubernetes and k3s, you can also consider the following products

Kompose - Go from Docker-Compose to Kubernetes with a simple tool

Kind - Kind is a web-based tool that provides you the features to operate the local kubernetes clusters with the help of a docker container named nodes.

CapRover - Build your own PaaS in a few minutes!

Kubernetes - Kubernetes is an open source orchestration system for Docker containers

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