Add init container to DB

charts/invy-chart/templates/db-statefulset.yaml

@@ -19,11 +19,26 @@ spec:
         app.kubernetes.io/component: database
     spec:
       securityContext:
-        runAsUser: 999
-        runAsNonRoot: true
         fsGroup: 999
+      initContainers:
+      - name: fix-permissions
+        image: busybox:latest
+        command: 
+        - sh
+        - -c
+        - |
+          chown -R 999:999 /var/lib/postgresql/data
+          chmod 700 /var/lib/postgresql/data
+        volumeMounts:
+        - name: postgres-data
+          mountPath: /var/lib/postgresql/data
+        securityContext:
+          runAsUser: 0
       containers:
       - name: postgres
+        securityContext:
+          runAsUser: 999
+          runAsNonRoot: true
         image: "{{ .Values.postgres.image.repository }}:{{ .Values.postgres.image.tag }}"
         imagePullPolicy: {{ .Values.postgres.image.pullPolicy }}
         ports: