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pascaliske/docker-unbound

Small Alpine based image for unbound - the validating and caching recursive DNS resolver.

Docker Image Version (tag latest semver) Docker Image Size (tag) Docker Pulls GitHub Tag Build Status GitHub Last Commit License: MIT Awesome Badges

Image

Registry Image
GitHub Container Registry ghcr.io/pascaliske/unbound
Docker Hub pascaliske/unbound

The following platforms are available for this image:

$ docker run --rm mplatform/mquery ghcr.io/pascaliske/unbound:latest
Image: ghcr.io/pascaliske/unbound:latest
 * Manifest List: Yes
 * Supported platforms:
   - linux/amd64
   - linux/arm/v7
   - linux/arm64

Usage

To use this image pull it from one of the following registries:

# github container registry
docker pull ghcr.io/pascaliske/unbound

# docker hub
docker pull pascaliske/unbound

Kubernetes

If you want to use this tool inside of a Kubernetes cluster check out my ready to deploy Helm chart!

Verification

The OCI images are keylessly signed using cosign and can be can be verified:

cosign verify ghcr.io/pascaliske/unbound:main \
  --certificate-identity-regexp "^https://github.com/pascaliske/docker-unbound.*$" \
  --certificate-oidc-issuer https://token.actions.githubusercontent.com

[!NOTE] Verification succeeds only if the artifact was signed by the GitHub Actions workflow in this repository. Any modification of the artifact or signing from a different identity will cause verification to fail.

License

MIT – © 2026 Pascal Iske