Configure the secret so we can connect

Signed-off-by: Martyn Ranyard <m@rtyn.berlin>

apps-kustomized/home-assistant/deploy.yaml

@@ -56,6 +56,33 @@ spec:
           name: config
       dnsPolicy: ClusterFirst
       enableServiceLinks: true
+      initContainers:
+      - command:
+        - /bin/sh
+        - -c
+        - |
+          PG_HOST=homeassistant-postgres
+          PG_DB=homeassistant
+          echo "psql_string: \"postgresql://${PG_USER}:${PG_PASS}@${PG_HOST}/${PG_DB}\"" > /config/secrets.yaml
+        env:
+        - name: PG_USER
+          valueFrom:
+            secretKeyRef:
+              key: username
+              name: homeassistant.homeassistant-postgres.credentials.postgresql.acid.zalan.do
+        - name: PG_PASS
+          valueFrom:
+            secretKeyRef:
+              key: password
+              name: homeassistant.homeassistant-postgres.credentials.postgresql.acid.zalan.do
+        image: alpine:latest
+        imagePullPolicy: Always
+        name: dbsecret
+        terminationMessagePath: /dev/termination-log
+        terminationMessagePolicy: File
+        volumeMounts:
+        - mountPath: /config
+          name: config
       restartPolicy: Always
       schedulerName: default-scheduler
       serviceAccount: default