add conditional check for postinit

charts/postgres-cluster/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: postgres-cluster
-version: 3.8.2
+version: 3.8.3
 description: Chart for cloudnative-pg cluster
 keywords:
   - database

charts/postgres-cluster/templates/_bootstrap.tpl

@@ -7,6 +7,7 @@ bootstrap:
     {{- . | toYaml | nindent 4 }}
     {{- end }}
     {{- end }}
+    {{- if or (eq .Values.type "postgis") (eq .Values.type "timescaledb") (.Values.cluster.initdb) }}
     postInitApplicationSQL:
       {{- if eq .Values.type "postgis" }}
       - CREATE EXTENSION IF NOT EXISTS postgis;
@@ -21,6 +22,7 @@ bootstrap:
       {{- printf "- %s" . | nindent 6 }}
       {{- end }}
       {{- end }}
+    {{- end }}      
 {{- else if eq .Values.mode "replica" }}
   initdb:
     import: