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Hi, I'm Jason H 👋


I work at ChainguardChainguard, securing supply chains by default, using tools like TektonTekton.

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

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 133 10

  2. google/ko Public

    Build and deploy Go applications on Kubernetes

    Go 4.5k 253

  3. Go library and CLIs for working with container registries

    Go 1.8k 331

  4. 1
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Contribution activity

May 2022

Created 12 repositories

Created a pull request in tektoncd/pipeline that received 15 comments

Increase timeouts for some workspace YAML tests

I've seen these fail due to timeouts lately (example), and 60s seems like a very short timeout for a test that might be running in a cluster alongs…

+2 −2 15 comments
Opened 41 other pull requests in 22 repositories
sigstore/gitsign 6 merged
google/go-containerregistry 4 merged 1 open
sigstore/sigstore 3 merged 1 open
sigstore/sget 4 merged
sigstore/cosign 2 merged 1 open
tektoncd/pipeline 1 open 1 closed 1 merged
krustlet/oci-distribution 1 open
google/ko 1 merged
chainguard-dev/rekor-search-ui 1 merged
zchee/go-analyzer 1 merged
chainguard-dev/apko 1 merged
sigstore/.github 1 merged
open-policy-agent/opa 1 merged
awslabs/amazon-ecr-credential-helper 1 merged
aws/aws-sdk-go-v2 1 merged
chainguard-dev/actions 1 open
wlynch/smimecosign 1 closed
cncf/cloud-native-community-cookbook 1 open
GoogleContainerTools/kaniko 1 merged
cloudflare/wrangler-action 1 open
opencontainers/wg-reference-types 1 closed
tektoncd/chains 1 merged
Reviewed 81 pull requests in 21 repositories
sigstore/gitsign 17 pull requests
GoogleContainerTools/kaniko 11 pull requests
google/ko 11 pull requests
tektoncd/pipeline 9 pull requests
google/go-containerregistry 6 pull requests
sigstore/sget 5 pull requests
chainguard-dev/actions 4 pull requests
sigstore/sigstore 2 pull requests
cloudflare/cloudflare-docs 2 pull requests
sigstore/cosign 2 pull requests
shipwright-io/build 2 pull requests
tektoncd/community 1 pull request
sigstore/fulcio 1 pull request
sigstore/rekor 1 pull request
chainguard-dev/melange 1 pull request
tektoncd/results 1 pull request
chainguard-dev/apko 1 pull request
open-policy-agent/opa 1 pull request
tektoncd/plumbing 1 pull request
tektoncd/chains 1 pull request
opencontainers/wg-reference-types 1 pull request

Created an issue in sigstore/sigstore that received 9 comments

Followups from #435

Followups from #435 remove panic in fulcioroots.Get() add doc comments for un-doc-commented exported methods (or unexport them if appropriate) …

4 tasks

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