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feat!: remove the postgresql sub-chart

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With `cloudnativePG` in place, the bundled Bitnami `postgresql` sub-chart is the second in-chart way to run a
database, and the worse one. It is a single, non-HA instance without failover, backup or managed major-version
upgrades, and it ships images that Bitnami no longer distributes freely. Keeping it around means maintaining two
code paths for the same job, including the mutual-exclusion assertion between both dependencies and a second set
of DNS, credential and image helpers.

Removing it leaves exactly two supported choices: a CloudNativePG `Cluster` rendered by this chart, or an
external database configured via `gitea.config.database`. Both scale from a single instance to a HA setup -
`cloudnativePG.instances=1` covers the use case the `postgresql` sub-chart served - so nothing is lost besides
the duplication.

BREAKING CHANGE: The `postgresql` sub-chart and all `postgresql.*` values have been removed. There is no
in-place migration path: dump the database of the old `postgresql` release with `pg_dump`, remove the
`postgresql` values, deploy the chart with `cloudnativePG.enabled=true` and restore the dump. Alternatively
point `gitea.config.database` at an externally managed database. Setting `postgresql` now fails the release with
a pointer to the changelog.

Co-authored-by: Copilot <copilot@github.com>
This commit is contained in:
volker.raschek
2026-10-04 00:39:05 +02:00
co-authored by Copilot
parent 1b82a15b7f
commit 27db0d26b0
13 changed files with 36 additions and 275 deletions
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.github/copilot-instructions.md
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## Project Overview
Kubernetes Helm chart for deploying [Gitea](https://gitea.com). Uses Go/Helm templating (`templates/`), YAML values (`values.yaml`), and includes sub-charts for PostgreSQL, Valkey, and Valkey-cluster. The HA-ready database is provisioned as a CloudNativePG `Cluster` resource, the operator itself is not part of the chart.
Kubernetes Helm chart for deploying [Gitea](https://gitea.com). Uses Go/Helm templating (`templates/`), YAML values (`values.yaml`), and includes a sub-chart for Valkey. The database is provisioned as a CloudNativePG `Cluster` resource, the operator itself is not part of the chart.
## Build & Test