From 506e3ca41aafd131c3e6b67bb78cc38d0a85777d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbyn=C4=9Bk=20Dr=C3=A1pela?= <zbynek.drapela@gmail.com>
Date: Mon, 21 Sep 2026 14:21:42 +0200
Subject: [PATCH] feat(rhdh)!: upgrade default PostgreSQL to 18 [RHIDP-13960]

BREAKING CHANGE: Existing embedded PostgreSQL databases require dump-and-restore migration.

Assisted-by: OpenCode
---
 charts/rhdh/Chart.yaml  | 2 +-
 charts/rhdh/README.md   | 6 +++---
 charts/rhdh/values.yaml | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/charts/rhdh/Chart.yaml b/charts/rhdh/Chart.yaml
index 8b407fa0e..a0f403356 100644
--- a/charts/rhdh/Chart.yaml
+++ b/charts/rhdh/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 name: redhat-developer-hub
 type: application
-version: 2.5.0
+version: 2.6.0
 appVersion: 2.1.0
 annotations:
   artifacthub.io/category: integration-delivery
diff --git a/charts/rhdh/README.md b/charts/rhdh/README.md
index 0d0a844a7..4475d8c1b 100644
--- a/charts/rhdh/README.md
+++ b/charts/rhdh/README.md
@@ -1,7 +1,7 @@
 
 # RHDH Helm Chart for OpenShift and Kubernetes
 
-![Version: 2.5.0](https://img.shields.io/badge/Version-2.5.0-informational?style=flat-square)
+![Version: 2.6.0](https://img.shields.io/badge/Version-2.6.0-informational?style=flat-square)
 ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 
 A Helm chart for deploying Red Hat Developer Hub, which is a Red Hat supported version of Backstage.
@@ -36,7 +36,7 @@ For the **Generally Available** version of this chart, see:
 helm repo add bitnami https://charts.bitnami.com/bitnami
 helm repo add redhat-developer https://redhat-developer.github.io/rhdh-chart
 
-helm install my-rhdh redhat-developer/redhat-developer-hub --version 2.5.0
+helm install my-rhdh redhat-developer/redhat-developer-hub --version 2.6.0
 ```
 
 ## Introduction
@@ -294,7 +294,7 @@ Kubernetes: `>= 1.31.0-0`
 | podDisruptionBudget | Pod Disruption Budget configuration. | object | `{"create":false,"maxUnavailable":1,"minAvailable":""}` |
 | podLabels | Labels to add to the pod. | object | `{}` |
 | podSecurityContext | Pod-level security context. | object | `{}` |
-| postgresql | Built-in PostgreSQL database (bitnami subchart). | object | `{"auth":{"secretKeys":{"adminPasswordKey":"postgres-password","userPasswordKey":"password"}},"enabled":true,"image":{"digest":"","registry":"quay.io","repository":"fedora/postgresql-15","tag":"latest"},"postgresqlDataDir":"/var/lib/pgsql/data/userdata","primary":{"containerSecurityContext":{"allowPrivilegeEscalation":false,"capabilities":{"drop":["ALL"]},"enabled":false},"extraEnvVars":[{"name":"POSTGRESQL_ADMIN_PASSWORD","valueFrom":{"secretKeyRef":{"key":"{{- include \"rhdh.postgresql.adminPasswordKey\" . }}","name":"{{- include \"rhdh.postgresql.secretName\" . }}"}}}],"networkPolicy":{"enabled":false},"persistence":{"enabled":true,"mountPath":"/var/lib/pgsql/data","size":"1Gi"},"podSecurityContext":{"enabled":false},"resources":{"limits":{"cpu":"250m","ephemeral-storage":"20Mi","memory":"1024Mi"},"requests":{"cpu":"250m","memory":"256Mi"}}},"readReplicas":{"networkPolicy":{"enabled":false}},"serviceBindings":{"enabled":true}}` |
+| postgresql | Built-in PostgreSQL database (bitnami subchart). | object | `{"auth":{"secretKeys":{"adminPasswordKey":"postgres-password","userPasswordKey":"password"}},"enabled":true,"image":{"digest":"","registry":"quay.io","repository":"fedora/postgresql-18","tag":"latest"},"postgresqlDataDir":"/var/lib/pgsql/data/userdata","primary":{"containerSecurityContext":{"allowPrivilegeEscalation":false,"capabilities":{"drop":["ALL"]},"enabled":false},"extraEnvVars":[{"name":"POSTGRESQL_ADMIN_PASSWORD","valueFrom":{"secretKeyRef":{"key":"{{- include \"rhdh.postgresql.adminPasswordKey\" . }}","name":"{{- include \"rhdh.postgresql.secretName\" . }}"}}}],"networkPolicy":{"enabled":false},"persistence":{"enabled":true,"mountPath":"/var/lib/pgsql/data","size":"1Gi"},"podSecurityContext":{"enabled":false},"resources":{"limits":{"cpu":"250m","ephemeral-storage":"20Mi","memory":"1024Mi"},"requests":{"cpu":"250m","memory":"256Mi"}}},"readReplicas":{"networkPolicy":{"enabled":false}},"serviceBindings":{"enabled":true}}` |
 | preInitContainers | Init containers to run BEFORE the system init containers (e.g. inject auth credentials before install-dynamic-plugins runs). | list | `[]` |
 | readinessProbe | Readiness probe configuration. | object | `{"failureThreshold":3,"httpGet":{"path":"/.backstage/health/v1/readiness","port":"backend","scheme":"HTTP"},"periodSeconds":10,"successThreshold":2,"timeoutSeconds":4}` |
 | replicaCount | Number of desired pods. | int | `1` |
diff --git a/charts/rhdh/values.yaml b/charts/rhdh/values.yaml
index 1446aa1eb..e52e1502d 100644
--- a/charts/rhdh/values.yaml
+++ b/charts/rhdh/values.yaml
@@ -413,7 +413,7 @@ postgresql:
     enabled: true
   image:
     registry: "quay.io"
-    repository: "fedora/postgresql-15"
+    repository: "fedora/postgresql-18"
     tag: "latest"
     digest: ""
   auth: