diff --git a/backend/docker-compose.yml b/backend/docker-compose.yml
index 368673b..707323c 100644
--- a/backend/docker-compose.yml
+++ b/backend/docker-compose.yml
@@ -1,6 +1,12 @@
+networks:
+  maps-net:
+    driver: bridge
+
 services:
   backend:
     build: .
+    networks:
+      - maps-net
     ports:
       - "8080:8080"
     environment:
@@ -27,6 +33,8 @@ services:
     build:
       context: .
       dockerfile: postgis.Dockerfile
+    networks:
+      - maps-net
     ports:
       - "5432:5432"
     environment:
@@ -34,16 +42,20 @@ services:
       POSTGRES_PASSWORD: maps
       POSTGRES_DB: maps
     volumes:
-      - pgdata:/var/lib/postgresql/data
+      - maps-pgdata:/var/lib/postgresql/data
 
   redis:
     image: docker.io/redis:7-alpine
+    networks:
+      - maps-net
     ports:
       - "6379:6379"
     command: redis-server --maxmemory 2gb --maxmemory-policy allkeys-lru
 
   martin:
     image: ghcr.io/maplibre/martin
+    networks:
+      - maps-net
     ports:
       - "3000:3000"
     environment:
@@ -53,23 +65,50 @@ services:
 
   photon:
     image: docker.io/komoot/photon:latest
+    networks:
+      - maps-net
     ports:
       - "2322:2322"
 
   osrm-driving:
     image: docker.io/osrm/osrm-backend:latest
+    networks:
+      - maps-net
     ports:
       - "5000:5000"
 
   osrm-walking:
     image: docker.io/osrm/osrm-backend:latest
+    networks:
+      - maps-net
     ports:
       - "5001:5000"
 
   osrm-cycling:
     image: docker.io/osrm/osrm-backend:latest
+    networks:
+      - maps-net
     ports:
       - "5002:5000"
 
+importer:
+  image: docker.io/iboates/osm2pgsql:latest
+  networks:
+    - maps-net
+  volumes:
+    - ../data:/data
+  environment:
+    DATABASE_URL: "postgres://maps:maps@postgres:5432/maps"
+  command: >
+    osm2pgsql
+      --database postgres://maps:maps@postgres:5432/maps
+      --create --slim -G --hstore
+      /data/region.osm.pbf
+  depends_on:
+    - postgres
+  profiles:
+    - import
+  restart: "no"
+
 volumes:
-  pgdata:
+  maps-pgdata: