Add postgres exporter to the main postgres server.

kubernetes/apps/database/crunchy-postgres-operator/cluster/postgrescluster.yaml

@@ -19,6 +19,12 @@ spec:
         external-dns.alpha.kubernetes.io/hostname: postgres.jahanson.tech
         io.cilium/lb-ipam-ips: 10.45.0.7
 
+  monitoring:
+    pgmonitor:
+      exporter:
+        # https://github.com/CrunchyData/postgres-operator-examples/blob/main/helm/install/values.yaml
+        image: registry.developers.crunchydata.com/crunchydata/crunchy-postgres-exporter:ubi8-0.15.0-3
+
   patroni: # turn on sync writes to at least 1 other replica
     dynamicConfiguration:
       synchronous_mode: true