postgres-ha-stack
Chart · Stacks · standard · v0.0.8
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
sha256:48aebfed6b703fc2e8582aff8382063ea6c06b62d8b735e1b13da306182d1f50Chart OCI version
oci://ghcr.io/quenchworks/charts/postgres-ha-stack:0.0.8The chart pins its image by this signed digest, so you never track it yourself. Signatures, SBOM, and provenance attach to the same digest.
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 0.0.8Deploys images (digest-pinned)
- postgresql18.6A+
ghcr.io/quenchworks/images/postgresql@sha256:e3b4a823a4eb9f6863a0f87b2cd6b2d710f0f5977372b4161873d1861c180655 - pgbouncer1.25.2A+
ghcr.io/quenchworks/images/pgbouncer@sha256:429aab7a75a46178f3506c59c461a6a19c5b102ff16b428b7e13226d2997b075 - postgres-exporter0.20.1A
ghcr.io/quenchworks/images/postgres-exporter@sha256:21c17dcdf1c22ed9978a4a846fac16879e20704b70c820c107ebbd1581b8ce06 - prometheus3.15.0A
ghcr.io/quenchworks/images/prometheus@sha256:d57cf70aab4c571222c6f5b8cf3912298483b853eda1e39348a170d74aa6c157 - grafana13.1.6A
ghcr.io/quenchworks/images/grafana@sha256:65dc8356ef03e38ec44f39a66b45d3c6523a6e6f44d91062216f6a3a1eaee3e2
Charts used:
- Chart version
- 0.0.8
- App version
- 1.0.0
- Chart license
- Apache-2.0
- App license
- Unknown
- Signed
- cosign (keyless)
- Values schema
- yes
- Last published
- 2026-10-11
Verify the chart
cosign verify ghcr.io/quenchworks/charts/postgres-ha-stack:0.0.8 \
--certificate-identity-regexp 'https://github.com/quenchworks/.+' \
--certificate-oidc-issuer https://token.actions.githubusercontent.comTransparency
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.