diff --git a/docker-compose.yml b/docker-compose.yml
index 3ef2da3..cdc036f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,6 +3,8 @@ version: "3.8"
 networks:
   http_network:
     external: true
+  moretcg:
+    external: false
 services:
   db:
     image: postgres:alpine
@@ -10,15 +12,15 @@ services:
       - POSTGRES_USER=moretcg
       - POSTGRES_PASSWORD=moretcg
       - POSTGRES_DB=moretcg
-    ports:
-      - "5432:5432"
     volumes:
       - ./postgres:/var/lib/postgresql/data
+    networks:
+      - moretcg
   app:
     image: huskyteufel/webshop
     restart: always
     environment:
-      - DB_HOST=172.17.0.1
+      - DB_HOST=db
       - DB_USER=moretcg
       - DB_PASS=moretcg
       - DB_DATA=moretcg
@@ -52,5 +54,6 @@ services:
       #- "traefik.http.routers.edge.tls.certresolver=leresolver"
     networks:
       - http_network
+      - moretcg
         #volumes:
       #portainer_data: