diff --git a/components/hydra-cnpg-database/patches/hydra-deployment.yaml b/components/hydra-cnpg-database/patches/hydra-deployment.yaml
index 54fdd1b..de66515 100644
--- a/components/hydra-cnpg-database/patches/hydra-deployment.yaml
+++ b/components/hydra-cnpg-database/patches/hydra-deployment.yaml
@@ -18,9 +18,12 @@
   path: "/spec/template/spec/containers/0/env/-"
   value:
     name: HYDRA_DATABASE_SERVICE_NAME
-    value: hydra-postgres-pooler-rw
+    valueFrom:
+      secretKeyRef:
+        name: hydra-postgres-app
+        key: host
 - op: add
   path: "/spec/template/spec/containers/0/env/-"
   value:
     name: DSN
-    value: "postgres://$(HYDRA_DATABASE_USER):$(HYDRA_DATABASE_PASSWORD)@$(HYDRA_DATABASE_SERVICE_NAME):5432/hydra?sslmode=disable"
+    value: "postgres://$(HYDRA_DATABASE_USER):$(HYDRA_DATABASE_PASSWORD)@$(HYDRA_DATABASE_SERVICE_NAME):5432/hydra?sslmode=disable&max_conn=$(HYDRA_DATABASE_MAX_CONN)"
diff --git a/components/hydra-cnpg-database/resources/hydra-postgres-pooler-rw.yaml b/components/hydra-cnpg-database/resources/hydra-postgres-pooler-rw.yaml
deleted file mode 100644
index 45fa942..0000000
--- a/components/hydra-cnpg-database/resources/hydra-postgres-pooler-rw.yaml
+++ /dev/null
@@ -1,14 +0,0 @@
-apiVersion: postgresql.cnpg.io/v1
-kind: Pooler
-metadata:
-  name: hydra-postgres-pooler-rw
-spec:
-  cluster:
-    name: hydra-postgres
-  instances: 3
-  type: rw
-  pgbouncer:
-    poolMode: session
-    parameters:
-      max_client_conn: "1000"
-      default_pool_size: "50"
diff --git a/resources/hydra/kustomization.yaml b/resources/hydra/kustomization.yaml
index f99e668..c4e4615 100644
--- a/resources/hydra/kustomization.yaml
+++ b/resources/hydra/kustomization.yaml
@@ -30,6 +30,7 @@ configMapGenerator:
   - URLS_CONSENT=http://hydra-consent-app/consent
   - URLS_LOGOUT=http://hydra-logout-app/logout
   - HYDRA_SERVE_ALL_ARGS=--dev
+  - HYDRA_DATABASE_MAX_CONN="10"
   - LOG_LEVEL=info
 
 vars: