WeKnora deployment source with the reviewed wiki identity, summary and recovery fixes

helm/templates/postgres.yaml

@@ -0,0 +1,128 @@
+{{/*
+Copyright 2025 Tencent
+SPDX-License-Identifier: MIT
+
+PostgreSQL (ParadeDB) Deployment and Service.
+ParadeDB provides vector search and BM25 full-text search capabilities.
+*/}}
+{{- if .Values.postgresql.enabled }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "weknora.fullname" . }}-postgres
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "weknora.componentLabels" (dict "component" "database" "context" .) | nindent 4 }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      {{- include "weknora.componentSelectorLabels" (dict "component" "database" "context" .) | nindent 6 }}
+  # Use Recreate strategy for database to avoid data corruption
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        {{- include "weknora.componentSelectorLabels" (dict "component" "database" "context" .) | nindent 8 }}
+    spec:
+      {{- include "weknora.imagePullSecrets" . | nindent 6 }}
+      serviceAccountName: {{ include "weknora.serviceAccountName" . }}
+      {{- with .Values.global.podSecurityContext }}
+      securityContext:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      containers:
+        - name: postgres
+          image: {{ include "weknora.postgresql.image" . }}
+          imagePullPolicy: IfNotPresent
+          {{- with .Values.postgresql.securityContext }}
+          securityContext:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          ports:
+            - containerPort: 5432
+              name: postgresql
+              protocol: TCP
+          env:
+            - name: POSTGRES_USER
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "weknora.secretName" . }}
+                  key: DB_USER
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "weknora.secretName" . }}
+                  key: DB_PASSWORD
+            - name: POSTGRES_DB
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "weknora.secretName" . }}
+                  key: DB_NAME
+            - name: PGDATA
+              value: /var/lib/postgresql/data/pgdata
+          volumeMounts:
+            - name: postgres-data
+              mountPath: /var/lib/postgresql/data
+          resources:
+            {{- toYaml .Values.postgresql.resources | nindent 12 }}
+          livenessProbe:
+            exec:
+              command:
+                - pg_isready
+                - -U
+                - postgres
+            initialDelaySeconds: 30
+            periodSeconds: 10
+            timeoutSeconds: 5
+            failureThreshold: 6
+          readinessProbe:
+            exec:
+              command:
+                - pg_isready
+                - -U
+                - postgres
+            initialDelaySeconds: 5
+            periodSeconds: 5
+            timeoutSeconds: 3
+            failureThreshold: 3
+      volumes:
+        - name: postgres-data
+          {{- if .Values.postgresql.persistence.enabled }}
+          persistentVolumeClaim:
+            claimName: {{ .Values.postgresql.persistence.existingClaim | default (printf "%s-postgres" (include "weknora.fullname" .)) }}
+          {{- else }}
+          emptyDir: {}
+          {{- end }}
+      {{- with .Values.postgresql.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.postgresql.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.postgresql.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  # Service name must be "postgres" - app references this
+  name: postgres
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "weknora.componentLabels" (dict "component" "database" "context" .) | nindent 4 }}
+spec:
+  type: ClusterIP
+  selector:
+    {{- include "weknora.componentSelectorLabels" (dict "component" "database" "context" .) | nindent 4 }}
+  ports:
+    - name: postgresql
+      port: 5432
+      targetPort: postgresql
+      protocol: TCP
+{{- end }}