diff --git a/config/config.dev.yaml b/config/config.dev.yaml
index 46d4a12..302e158 100644
--- a/config/config.dev.yaml
+++ b/config/config.dev.yaml
@@ -77,4 +77,14 @@ database:
   # Maximum number of open connections
   max_open_connections: 5
   # Maximum number of idle connections
-  max_idle_connections: 2
\ No newline at end of file
+  max_idle_connections: 2
+# Arbitrage configuration
+arbitrage:
+  # Enable or disable arbitrage service
+  enabled: true
+  # Minimum profit threshold in USD
+  min_profit: 1.0
+  # Maximum position size in USD
+  max_position_size: 1000.0
+  # Gas price limit in gwei
+  max_gas_price: 100
diff --git a/docker-compose.yml b/docker-compose.yml
index 087d771..285dd39 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,6 +11,8 @@ services:
     volumes:
       # Mount logs directory for persistent logs
       - ./logs:/app/logs
+      # Mount data directory for database
+      - ./data:/app/data
       # Mount development config (simpler, no YAML parsing issues)
       - ./config/config.dev.yaml:/app/config/config.yaml:ro
     environment: