diff --git a/docker-compose.yml b/docker-compose.yml
index c4864b7..895b329 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,6 +3,9 @@ services:
     image: 4teamwork/389ds:latest
     volumes:
       - ./tmp/389ds:/data
+    networks:
+      - external_network
+      - internal_network
     ports:
       - "389:3389"
     environment:
@@ -22,6 +25,9 @@ services:
     command: bash -c "rm -f /akkounts/tmp/pids/server.pid; bin/dev"
     volumes:
       - .:/akkounts
+    networks:
+      - external_network
+      - internal_network
     ports:
       - "3000:3000"
     environment:
@@ -32,3 +38,8 @@ services:
       LDAP_USE_TLS: "false"
     depends_on:
       - ldap
+
+networks:
+  external_network:
+  internal_network:
+    internal: true