use correct config

ops/chart/templates/postgresql.yaml

@@ -19,6 +19,10 @@ spec:
       database: {{ .Values.postgresql.database | default "policy_service" }}
       owner: {{ .Values.postgresql.owner | default "policy_service" }}
   
+  users:
+    - name: {{ .Values.postgresql.appUsername | default "policy_service" }}
+      database: {{ .Values.postgresql.database | default "policy_service" }}
+  
   storage:
     size: {{ .Values.postgresql.storageSize | default "1Gi" }}
   
@@ -32,4 +36,4 @@ spec:
   
   monitoring:
     enablePodMonitoring: true
-{{- end -}}
+{{- end -}}

ops/chart/values.yaml

@@ -27,6 +27,17 @@ controllers:
           pullPolicy: IfNotPresent
         env:
           MIX_ENV: prod
+          PORT: "8080"
+          PHX_HOST: "0.0.0.0"
+          DATABASE_URL:
+            valueFrom:
+              secretKeyRef:
+                name: policy-service-pg-app
+                key: uri
+        envFrom:
+          - secretRef:
+              name: policy-service-pg-app
+              prefix: PG_
         probes:
           liveness:
             enabled: true
@@ -86,6 +97,7 @@ postgresql:
   instances: 1
   database: policy_service
   owner: policy_service
+  appUsername: policy_service
   storageSize: 1Gi
   resources:
     requests:
@@ -93,5 +105,4 @@ postgresql:
       memory: 128Mi
     limits:
       cpu: 500m
-      memory: 512Mi
-
+      memory: 512Mi