[postgres] fix: add connection details to secret (CloudPirates-io#350)

Author: yellowhat

charts/postgres/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: postgres
 description: The World's Most Advanced Open Source Relational Database
 type: application
-version: 0.8.1
+version: 0.8.2
 appVersion: "18.0"
 keywords:
   - postgres

charts/postgres/templates/secret.yaml

@@ -17,5 +17,15 @@ data:
   {{- if and $existingSecret $existingSecret.data }}
     {{- $existingPostgresPassword = index $existingSecret.data "postgres-password" }}
   {{- end }}
-  postgres-password: {{ $existingPostgresPassword | default (.Values.auth.password | default (randAlphaNum 32) | b64enc) | quote }}
-{{- end }}
+  {{- $postgresPassword := $existingPostgresPassword | default (.Values.auth.password | default (randAlphaNum 32) | b64enc) }}
+  {{- $host := printf "%s.%s.svc" (include "postgres.fullname" .) .Release.Namespace }}
+  {{- $port := .Values.service.port | toString }}
+  {{- $username := include "postgres.username" . }}
+  {{- $database := include "postgres.database" . }}
+  postgres-password: {{ $postgresPassword | quote }}
+  host: {{ $host | b64enc | quote }}
+  port: {{ $port | b64enc | quote }}
+  username: {{ $username | b64enc | quote }}
+  database: {{ $database | b64enc | quote }}
+  uri: {{ printf "postgresql://%s:%s@%s:%s/%s" $username ($postgresPassword | b64dec) $host $port $database | b64enc | quote }}
+{{- end }}