diff --git a/docker-compose.yml b/docker-compose.yml
index d610b963..da6d8164 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -35,10 +35,11 @@ services:
     container_name: 4nk-blindbit
     ports:
       - "8000:8000"
+    volumes:
+      - bitcoin_data:/home/bitcoin/.bitcoin/signet:ro
     environment:
       - RPC_ENDPOINT=http://4nk-bitcoin:38332
-      - RPC_USER=bitcoin
-      - RPC_PASS=bitcoin
+      - COOKIE_PATH=/home/bitcoin/.bitcoin/signet/.cookie
       - HOST=0.0.0.0:8000
       - CHAIN=signet
       - SYNC_START_HEIGHT=1