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QuenchWorks

varnish

Chart · Cache · standard · v0.0.1

digest pinnedcosign signedSPDX SBOMSLSA provenanceamd64 · arm64Rebuilt 2026-07-28

HTTP reverse-proxy cache (web accelerator) that fronts an origin and serves its responses from memory, cutting backend load and tail latency. Caching policy is VCL, which varnishd compiles to native code at startup. The chart supplies the VCL and the backend.

Deployed image digest

sha256:97d1607e3e49d53ec45173a82a8fb9636017b76b05f09ad7f99fe4bb540a7a77

Chart OCI version

oci://ghcr.io/quenchworks/charts/varnish:0.0.1

The chart pins its image by this signed digest, so you never track it yourself. Signatures, SBOM, and provenance attach to the same digest.

Signed
cosign keyless
SBOM
SPDX, on image
Provenance
SLSA build
Architectures
amd64, arm64
Runs as
nonroot (uid 1001)
Root filesystem
read-only
Image size
196.0 MB

Security report (Trivy)

A+· 100/1000 fixable CVEs
0
Critical
0
High
0
Medium
0
Low
0
Unknown

Security report (Trivy) · image varnish 9.0.3

Install the chart

Deploy to Kubernetes with hardened defaults. The chart pins its image by signed digest, so you never track it yourself.

Install (latest)

helm install my-varnish oci://ghcr.io/quenchworks/charts/varnish --version 0.0.1

Deploys image (digest-pinned)

ghcr.io/quenchworks/images/varnish@sha256:97d1607e3e49d53ec45173a82a8fb9636017b76b05f09ad7f99fe4bb540a7a77
Chart version
0.0.1
App version
9.0.3
Chart license
BSD-2-Clause
App license
BSD-2-Clause
Service port
80
Signed
cosign (keyless)
Values schema
yes
Last published
2026-07-28

Verify the chart

cosign verify ghcr.io/quenchworks/charts/varnish:0.0.1 \
  --certificate-identity-regexp 'https://github.com/quenchworks/.+' \
  --certificate-oidc-issuer https://token.actions.githubusercontent.com

Transparency

The chart publishes its attestations on GitHub and the image it deploys carries its own on the same digest, publicly verifiable with the commands above. Both log to the Sigstore transparency log (Rekor), which cosign verify checks for you.

Upstream project: https://www.varnish.org