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Kubewarden is a policy engine for Kubernetes. It helps with keeping your Kubernetes clusters secure 🔐 and compliant ✔.

Kubewarden policies can be written using regular programming languages or Domain Specific Languages (DSL).

Policies are compiled into WebAssembly modules that are then distributed using traditional container registries.

Getting Started 📚

Check our first-stop kubewarden/community 👋 repository for information about the organization of the project.

Take a look at our documentation 📖 Stay up to date by reading our official blog 📣 and by following us on Bluesky or Mastodon.

Get in touch with us on Slack: join the kubewarden channel hosted by the official Kubernetes workspace 👨‍💻 💬 👩‍💻

Enforcing Policies 🔒

Discover ready to use policies by visiting ArtifactHub 📦

Don't forget to take a look at kwctl, our handy multi-purpose tool for managing policies 🛠️ 🧰

Writing policies 📝

Interested in writing a new policy?

Kubewarden allows you to write policies using a variety of programming languages, including Rust, Go, Rego, CEL and others.

These are some useful resources to get you started:

Useful GitHub tags :octocat: 🏷️

Use these tags to find repositories over all GitHub 🗺️ 🌌

Purpose Tag
Policy Template kubewarden-policy-template
Policy kubewarden-policy
Policy SDK kubewarden-policy-sdk

Contributing 🙌

That's fantastic news! 🥳

Check our general CONTRIBUTING.md docs.

Quick links to "core" projects:

Project Scope Language
kubewarden-controller Kubernetes integration point Go
policy-server Run Kubewarden policies Rust
kwctl Kubewarden policy multi-purpose cli tool Rust

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  1. kwctl kwctl Public

    Go-to CLI tool for Kubewarden users

    Rust 79 20

  2. policy-server policy-server Public

    Webhook server that evaluates WebAssembly policies to validate Kubernetes requests

    Rust 145 20

  3. kubewarden-controller kubewarden-controller Public

    Manage admission policies in your Kubernetes cluster with ease

    Go 207 37

  4. rust-policy-template rust-policy-template Public

    A Kubewarden rust policy template to be used with cargo-generate

    Rust 9 7

  5. go-policy-template go-policy-template Public template

    A template repository to quickly scaffold a Kubewarden policy written with Go language

    Go 11 16

  6. swift-policy-template swift-policy-template Public template

    A template repository to quickly scaffold a Kubewarden policy written with Swift language

    Swift 1 1

Repositories

Showing 10 of 100 repositories
  • policy-evaluator Public

    Crate used by Kubewarden that is able to evaluate policies with a given input, request to evaluate and settings.

    kubewarden/policy-evaluator’s past year of commit activity
    Rust 16 Apache-2.0 9 22 0 Updated Apr 12, 2025
  • policy-fetcher Public

    Crate used by Kubewarden that is able to pull policies from OCI registries and HTTP servers.

    kubewarden/policy-fetcher’s past year of commit activity
    Rust 8 Apache-2.0 8 6 0 Updated Apr 12, 2025
  • container-resources-policy Public

    Policy is designed to enforce constraints on the resource requirements of Kubernetes containers

    kubewarden/container-resources-policy’s past year of commit activity
    Go 0 Apache-2.0 5 1 0 Updated Apr 12, 2025
  • audit-scanner Public

    Reports evaluation of existing Kubernetes resources with your already deployed Kubewarden policies.

    kubewarden/audit-scanner’s past year of commit activity
    Go 8 Apache-2.0 9 10 2 Updated Apr 12, 2025
  • raw-validation-policy Public

    Demo policy showing how to write a raw validating policy

    kubewarden/raw-validation-policy’s past year of commit activity
    Rust 0 Apache-2.0 1 1 0 Updated Apr 12, 2025
  • ingress-policy Public

    Policy to enforce requirements on Kubernetes Ingress resources.

    kubewarden/ingress-policy’s past year of commit activity
    Go 4 Apache-2.0 3 1 1 Updated Apr 12, 2025
  • safe-annotations-policy Public

    Kubewarden policy that validates Kubernetes' resource annotations

    kubewarden/safe-annotations-policy’s past year of commit activity
    Go 4 Apache-2.0 4 2 1 Updated Apr 12, 2025
  • policy-server Public

    Webhook server that evaluates WebAssembly policies to validate Kubernetes requests

    kubewarden/policy-server’s past year of commit activity
    Rust 145 Apache-2.0 20 22 1 Updated Apr 12, 2025
  • disallow-service-loadbalancer-policy Public

    A policy that prevents the creation of Service resources with type LoadBalancer

    kubewarden/disallow-service-loadbalancer-policy’s past year of commit activity
    Makefile 2 Apache-2.0 2 1 1 Updated Apr 12, 2025
  • raw-mutation-wasi-policy Public

    Demo policy showing how to write a raw WASI mutation policy

    kubewarden/raw-mutation-wasi-policy’s past year of commit activity
    Go 0 Apache-2.0 1 1 0 Updated Apr 12, 2025

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