add postgres chart dependency

chart/Chart.yaml

@@ -16,3 +16,9 @@ appVersion: 1.0.0-beta.1
 maintainers:
   - name: EOX IT Services GmbH
     url: https://eox.at
+
+dependencies:
+  - name: "postgresql"
+    version: "9.7.2"
+    repository: "https://charts.bitnami.com/bitnami"
+    alias: database

chart/values.yaml

@@ -55,6 +55,15 @@ config:
     REDIS_SEED_QUEUE_KEY: seed_queue
     REDIS_SET_KEY: registered_set
 
+database:
+  persistence:
+    enabled: true
+    existingClaim: eoepca-rm-db-pvc
+  postgresqlUsername: dbuser
+  postgresqlPassword: dbpw
+  postgresqlDatabase: dbname
+  postgresqlPostgresPassword: dbpgpw
+
 renderer:
   replicaCount: 1
   resources: