diff --git a/docker/swarm/stack/postgresql.yml b/docker/swarm/stack/postgresql.yml
index 7ae4052..42ebf8f 100644
--- a/docker/swarm/stack/postgresql.yml
+++ b/docker/swarm/stack/postgresql.yml
@@ -2,6 +2,10 @@
   _param:
     docker_postgresql_replicas: 1
     docker_image_postgresql: library/postgres:9.6
+    postgresql_bind_host: postgresql-db
+    postgresql_bind_port: ${_param:haproxy_postgresql_bind_port}
+    postgresql_ssl:
+      enabled: false
     postgresql_admin_user: postgres
     postgresql_admin_user_password: postgrespassword
   docker:
@@ -12,13 +16,17 @@
             POSTGRES_USER: ${_param:postgresql_admin_user}
             POSTGRES_PASSWORD: ${_param:postgresql_admin_user_password}
           service:
-            db:
+            postgresql-db:
               image: ${_param:docker_image_postgresql}
               deploy:
                 replicas: ${_param:docker_postgresql_replicas}
                 restart_policy:
                   condition: any
-              ports:
-                - ${_param:haproxy_postgresql_exposed_port}:${_param:haproxy_postgresql_bind_port}
               volumes:
                 - /srv/volumes/postgresql/data:/var/lib/postgresql/data
+              ports:
+                - ${_param:haproxy_postgresql_exposed_port}:${_param:haproxy_postgresql_bind_port}
+          network:
+            default:
+              external:
+                name: oss_backend
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