Mukul Sharma d4bb8985fb Add a hand-written PostgreSQL chart for toolshed
Not Bitnami's: that registry has been actively unstable here (it broke
Contour twice, infra issue #4) and PostgreSQL publishes no official chart.
A single StatefulSet, PVC and Service is small enough that owning it costs
less than depending on an unstable repackage.

Credentials come from an existing Secret rather than being generated by
the chart — a chart that generates its own password regenerates it on
every render and silently locks you out of the existing volume.

Details that matter and are easy to get wrong:
  - PGDATA is a subdirectory of the mount, not the mount itself. initdb
    refuses to run in a directory that already has contents.
  - Probes run through a shell. Kubernetes does not expand $(VAR) inside
    exec probe commands, only in command/args.
  - fsGroup 70 so the volume stays writable after the entrypoint drops
    from root to the postgres user on the Alpine variant.
  - shared_buffers cut to 32MB from PostgreSQL's 128MB default. The node
    has 8GB and was at its ceiling before this.

Verified with helm template.
2026-09-04 16:21:26 +05:30
2026-08-30 07:16:41 +05:30
2026-08-26 03:39:42 +05:30

devops-infra-helm-charts

This branch (main) is part of the restructuring process for the gcp-devops-admin repository, aimed at organizing helmcharts of all infrastructure tools and their corresponding value files. The purpose of this repository is to centralize and manage these resources efficiently.

Directory Structure

helm-templates

This directory is intended for caching or forking helm charts locally. If there's a need to modify or customize any helm chart, it can be done here. Otherwise, the charts will be used directly from the provider.

helm-overrides

The helm-overrides folder stores custom values files for helm charts. These files can be used to override the default values provided by the helm charts, whether they are forked or used directly from the provider.

cluster_name

Each tool within the repository may have different values based on the specific clusters. This directory is used to manage configurations and values tailored to different clusters.

manifests

The manifests directory contains manifest files that need to be applied only once. Examples include service-to-service configurations, storage classes, and any other manifest-related files necessary for the operation of the infrastructure tools.

Additional Notes

Please ensure that all changes made to this branch align with the restructuring objectives and follow the best practices for managing helm charts and infrastructure-related configurations.

For any questions or concerns, please reach out to the designated repository maintainers.

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