first version of pg_featureserv stack

templates/postgres-ingress.yaml

 {{- if .Values.postgresql.ingress.enabled -}}
 {{- $fullName := include "postgresql.fullname" . -}}
-{{- $svcPort := 80 -}}
+{{- $svcPort := 5432 -}}
 {{- if and .Values.postgresql.ingress.className (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) }}
   {{- if not (hasKey .Values.postgresql.ingress.annotations "kubernetes.io/ingress.class") }}
   {{- $_ := set .Values.postgresql.ingress.annotations "kubernetes.io/ingress.class" .Values.postgresql.ingress.className}}