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Hi, I'm Jason H 👋


I work at ChainguardChainguard, securing software supply chains by default

Before that I was at Red HatRed Hat, and before that Google CloudGoogle Cloud, where I cofounded Google Cloud BuildGoogle Cloud Build and TektonTekton.

You can also find me on TwitterTwitter.

I contribute to ko and go-containerregistry, and a number of other things.

I build fun toys like and


My resume is a CRD you can install on your Kubernetes cluster:

kubectl apply -f

(You wouldn't install something off the internet without reading it first, would you?!)

Talks, etc.


  1. Public

    Container image registry that serves images built fresh when you ask for them

    Go 137 10

  2. google/ko Public

    Build and deploy Go applications on Kubernetes

    Go 4.6k 259

  3. Go library and CLIs for working with container registries

    Go 1.8k 342

  4. 1
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Contribution activity

June 2022

Created a pull request in tektoncd/pipeline that received 42 comments

Throw more compute at e2e tests

Changes End-to-end tests seem to be taking a long time, and failing flakily due to timeouts. This changes the e2e cluster setup from a cluster with…

+5 −1 42 comments
Reviewed 66 pull requests in 14 repositories
google/ko 16 pull requests
sigstore/gitsign 14 pull requests
GoogleContainerTools/kaniko 11 pull requests
google/go-containerregistry 6 pull requests
tektoncd/pipeline 4 pull requests
sigstore/cosign 4 pull requests
sigstore/sigstore 2 pull requests
chainguard-dev/apko 2 pull requests
sigstore/policy-controller 2 pull requests
imjasonh/terraform-provider-ko 1 pull request
chainguard-dev/hakn 1 pull request
opencontainers/wg-reference-types 1 pull request
chainguard-dev/actions 1 pull request
sigstore/fulcio 1 pull request

Created an issue in google/ko that received 17 comments

RFC: Switch default base image to

The current default base image is, which we switched two about 2 years ago in #160 (from the non-nonroot variant). I…

Opened 5 other issues in 4 repositories
chainguard-dev/rekor-search-ui 2 open
sigstore/rekor 1 open
google/ko 1 open
GoogleContainerTools/kaniko 1 open

Joined the sigstore organization


Software Supply Chain Security

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