Update compose.yml

Author: Zebreu

dkroutingtool/compose.yml

@@ -1,6 +1,8 @@
 volumes:
   redisdata:
     driver: local
+  serverdata:
+    driver: local
 services:
   cartredis:
     image: redis
@@ -12,6 +14,8 @@ services:
     restart: always
     image: ghcr.io/datakind/dk-routing:main
     command: /opt/conda/bin/python src/py/server.py
+    volumes:
+      - serverdata:/WORKING_DATA_DIR
     ports:
       - "5001:5001"
     logging: