feat: add postgresql dependency support in open-webui chart

charts/open-webui/Chart.lock

@@ -11,5 +11,8 @@ dependencies:
 - name: redis
   repository: https://charts.bitnami.com/bitnami
   version: 20.11.5
-digest: sha256:e056d54c822caf7601281777f54d88f32818982d52b7e81fbf811b8e4661265e
-generated: "2025-04-13T21:46:37.771856+09:00"
+- name: postgresql
+  repository: https://charts.bitnami.com/bitnami
+  version: 16.6.3
+digest: sha256:6da6a7bae03aba138c247775a786c0f459bdd9360db8980b0a5ffdea0fb88a5d
+generated: "2025-04-13T03:03:27.462575+02:00"

charts/open-webui/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: open-webui
-version: 6.2.0
+version: 6.3.0
 appVersion: 0.6.4
 home: https://www.openwebui.com/
 icon: >-
@@ -43,3 +43,8 @@ dependencies:
     version: '>=20.6.2'
     alias: redis-cluster
     condition: redis-cluster.enabled
+  - name: postgresql
+    repository: https://charts.bitnami.com/bitnami
+    version: '>=15.5.38'
+    alias: postgresql
+    condition: postgresql.enabled

charts/open-webui/README.md

@@ -1,6 +1,6 @@
 # open-webui
 
-![Version: 6.2.0](https://img.shields.io/badge/Version-6.2.0-informational?style=flat-square) ![AppVersion: 0.6.4](https://img.shields.io/badge/AppVersion-0.6.4-informational?style=flat-square)
+![Version: 6.3.0](https://img.shields.io/badge/Version-6.3.0-informational?style=flat-square) ![AppVersion: 0.6.4](https://img.shields.io/badge/AppVersion-0.6.4-informational?style=flat-square)
 
 Open WebUI: A User-Friendly Web Interface for Chat Interactions 👋
 
@@ -34,6 +34,7 @@ helm upgrade --install open-webui open-webui/open-webui
 | Repository | Name | Version |
 |------------|------|---------|
 | https://apache.jfrog.io/artifactory/tika | tika | >=2.9.0 |
+| https://charts.bitnami.com/bitnami | postgresql(postgresql) | >=15.5.38 |
 | https://charts.bitnami.com/bitnami | redis-cluster(redis) | >=20.6.2 |
 | https://helm.openwebui.com | pipelines | >=0.0.1 |
 | https://otwld.github.io/ollama-helm/ | ollama | >=0.24.0 |
@@ -112,6 +113,7 @@ helm upgrade --install open-webui open-webui/open-webui
 | clusterDomain | string | `"cluster.local"` | Value of cluster domain |
 | containerSecurityContext | object | `{}` | Configure container security context ref: <https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-containe> |
 | copyAppData.resources | object | `{}` |  |
+| databaseUrl | string | `""` | Configure database URL, needed to work with Postgres (example: `postgresql://<user>:<password>@<service>:<port>/<database>`), leave empty to use the default sqlite database |
 | enableOpenaiApi | bool | `true` | Enables the use of OpenAI APIs |
 | extraEnvVars | list | `[{"name":"OPENAI_API_KEY","value":"0p3n-w3bu!"}]` | Env vars added to the Open WebUI deployment. Most up-to-date environment variables can be found here: https://docs.openwebui.com/getting-started/env-configuration/ |
 | extraEnvVars[0] | object | `{"name":"OPENAI_API_KEY","value":"0p3n-w3bu!"}` | Default API key value for Pipelines. Should be updated in a production deployment, or be changed to the required API key if not using Pipelines |
@@ -153,6 +155,7 @@ helm upgrade --install open-webui open-webui/open-webui
 | podAnnotations | object | `{}` |  |
 | podLabels | object | `{}` |  |
 | podSecurityContext | object | `{}` | Configure pod security context ref: <https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-container> |
+| postgresql | object | `{"architecture":"standalone","auth":{"database":"open-webui","password":"0p3n-w3bu!","postgresPassword":"0p3n-w3bu!","username":"open-webui"},"enabled":false,"fullnameOverride":"open-webui-postgres","primary":{"persistence":{"size":"1Gi"},"resources":{"limits":{"cpu":"500m","memory":"512Mi"},"requests":{"cpu":"250m","memory":"256Mi"}}}}` | Postgresql configuration (see. https://artifacthub.io/packages/helm/bitnami/postgresql) |
 | readinessProbe | object | `{}` | Probe for readiness of the Open WebUI container ref: <https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes> |
 | redis-cluster | object | `{"auth":{"enabled":false},"enabled":false,"fullnameOverride":"open-webui-redis","replica":{"replicaCount":3}}` | Deploys a Redis cluster with subchart 'redis' from bitnami |
 | redis-cluster.auth | object | `{"enabled":false}` | Redis Authentication |

charts/open-webui/templates/workload-manager.yaml

@@ -164,6 +164,10 @@ spec:
         - name: "WEBSOCKET_REDIS_URL"
           value: {{ .Values.websocket.url | quote }}
         {{- end }}
+        {{- if or .Values.postgresql.enabled .Values.databaseUrl }}
+        - name: "DATABASE_URL"
+          value: {{ .Values.databaseUrl | default (printf "postgresql://%s:%s@%s:%s/%s" .Values.postgresql.auth.username .Values.postgresql.auth.password .Values.postgresql.fullnameOverride "5432" .Values.postgresql.auth.database) }}
+        {{- end }}
         {{- if .Values.sso.enabled }}
         {{- if .Values.sso.enableSignup }}
         - name: "ENABLE_OAUTH_SIGNUP"

charts/open-webui/values.yaml

@@ -433,3 +433,27 @@ extraResources:
   #     name: example-configmap
   #   data:
   #     example-key: example-value
+
+# -- Configure database URL, needed to work with Postgres (example: `postgresql://<user>:<password>@<service>:<port>/<database>`), leave empty to use the default sqlite database
+databaseUrl: ""
+
+# -- Postgresql configuration (see. https://artifacthub.io/packages/helm/bitnami/postgresql)
+postgresql:
+  enabled: false
+  fullnameOverride: open-webui-postgres
+  architecture: standalone
+  auth:
+    database: open-webui
+    postgresPassword: 0p3n-w3bu!
+    username: open-webui
+    password: 0p3n-w3bu!
+  primary:
+    persistence:
+      size: 1Gi
+    resources:
+      requests:
+        memory: 256Mi
+        cpu: 250m
+      limits:
+        memory: 512Mi
+        cpu: 500m