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QuenchWorks

observability-stack

Chart · Stacks · standard · v0.0.4

digest pinnedcosign signedSPDX SBOMSLSA provenanceamd64 · arm64

Hardened, operator-free observability stack: Prometheus + Grafana + Alertmanager + kube-state-metrics + node-exporter + cAdvisor, wired together for metrics, alerting, and populated Kubernetes dashboards.

Version

The latest line lives at the base page; older lines have their own page so you can pin and verify exactly that version.

Deployed image digest

sha256:d5708594a12a4178014daaee6110348b6186f8812abd9241f6691d62e3663214

Chart OCI version

oci://ghcr.io/quenchworks/charts/observability-stack:0.0.4

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

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-observability-stack oci://ghcr.io/quenchworks/charts/observability-stack --version 0.0.4

Deploys image (digest-pinned)

ghcr.io/quenchworks/images/prometheus@sha256:d5708594a12a4178014daaee6110348b6186f8812abd9241f6691d62e3663214
ghcr.io/quenchworks/images/grafana@sha256:ae5dfc810d218c92a6e3e5ae2401317c86ab76206e5f53c3388c74ef7961f995
ghcr.io/quenchworks/images/alertmanager@sha256:862b251add3271174a224ebdad736056162ebfe4eb55318a013aa89c50304f33
ghcr.io/quenchworks/images/kube-state-metrics@sha256:210a2dcb84a2589f3629dad3be847421dde941fc3181ceede61996289cd76fe3
ghcr.io/quenchworks/images/node-exporter@sha256:4c3735371055cea29cf1ed3250a2b2a7cb4a4ddcdd26ae378619ceddb2966a16
ghcr.io/quenchworks/images/cadvisor@sha256:836078216185abf81bf11a8d07a1fe038346749a37ef87d78acff6d2961be57b

Charts used:

Chart version
0.0.4
App version
1.0.0
Chart license
Apache-2.0
App license
Unknown
Signed
cosign (keyless)
Values schema
yes
Last published
2026-07-10

Verify the chart

cosign verify ghcr.io/quenchworks/charts/observability-stack:0.0.4 \
  --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: