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QuenchWorks

postgres-ha-stack

Chart · Stacks · standard · v0.0.7

digest pinnedcosign signedSPDX SBOMSLSA provenanceamd64 · arm64

Hardened PostgreSQL HA stack: a 3-node Patroni cluster with automatic failover, PgBouncer pooling in front of the elected leader, postgres_exporter on the leader, and Prometheus + Grafana with the postgres_exporter overview dashboard.

Version

The latest line lives at the base page; older lines have their own page so you can pin and verify exactly that version. Only the most recent releases are listed — an older chart pins an older image digest.

Deployed image digest

sha256:48aebfed6b703fc2e8582aff8382063ea6c06b62d8b735e1b13da306182d1f50

Chart OCI version

oci://ghcr.io/quenchworks/charts/postgres-ha-stack:0.0.7

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-postgres-ha-stack oci://ghcr.io/quenchworks/charts/postgres-ha-stack --version 0.0.7

Deploys image (digest-pinned)

ghcr.io/quenchworks/images/postgresql@sha256:48aebfed6b703fc2e8582aff8382063ea6c06b62d8b735e1b13da306182d1f50
ghcr.io/quenchworks/images/pgbouncer@sha256:d066975c823555e37d2cf7d51a0c9ec8b0d68f4654dbe51481ce47ed03c9481f
ghcr.io/quenchworks/images/postgres-exporter@sha256:e7dfea0c79bf106078d5d9985106dde12395e7db0bef70a0a4c08d71c9675d93
ghcr.io/quenchworks/images/prometheus@sha256:a9dc21133c231a328df5e4cd7c3987c945b7d0a580dcc45493cf4d161cefd6a4
ghcr.io/quenchworks/images/grafana@sha256:4b7e7a1342831602a31232c1dce40d8ea6a14bb44d6acb3aa095c029e1520d55

Charts used:

Chart version
0.0.7
App version
1.0.0
Chart license
Apache-2.0
App license
Unknown
Signed
cosign (keyless)
Values schema
yes
Last published
2026-10-05

Verify the chart

cosign verify ghcr.io/quenchworks/charts/postgres-ha-stack:0.0.7 \
  --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: