diff --git a/global/overlay/etc/puppet/modules/cdn/templates/db/docker-compose.yml.erb b/global/overlay/etc/puppet/modules/cdn/templates/db/docker-compose.yml.erb
index 1b7889e..9eeae95 100644
--- a/global/overlay/etc/puppet/modules/cdn/templates/db/docker-compose.yml.erb
+++ b/global/overlay/etc/puppet/modules/cdn/templates/db/docker-compose.yml.erb
@@ -4,7 +4,7 @@ services:
     environment:
       - POSTGRES_PASSWORD=<%= @db_secrets['postgres_password'] %>
     ports:
-      - "5432"
+      - "5432:5432"
     volumes:
       - postgres_data:/var/lib/postgresql/data
       - /opt/sunet-cdn/db/docker-entrypoint-initdb.d:/docker-entrypoint-initdb.d