diff --git a/postgresql/templates/bin/_start.sh.tpl b/postgresql/templates/bin/_start.sh.tpl
index 5419fe36fc..b00264d4da 100644
--- a/postgresql/templates/bin/_start.sh.tpl
+++ b/postgresql/templates/bin/_start.sh.tpl
@@ -18,4 +18,4 @@ limitations under the License.
 
 set -ex
 
-exec /docker-entrypoint.sh postgres
+exec /docker-entrypoint.sh postgres -N {{ .Values.conf.postgresql.max_connections }} -B {{ .Values.conf.postgresql.shared_buffers }}
diff --git a/postgresql/values.yaml b/postgresql/values.yaml
index d7b8c85edb..f059fcde6b 100644
--- a/postgresql/values.yaml
+++ b/postgresql/values.yaml
@@ -93,6 +93,11 @@ dependencies:
         - endpoint: internal
           service: local_image_registry
 
+conf:
+  postgresql:
+    max_connections: 100
+    shared_buffers: 128MB
+
 secrets:
   postgresql:
     admin: postgresql-admin