diff --git a/btc-portfolio/docker-compose.yml b/btc-portfolio/docker-compose.yml
index ef03644..6733b42 100644
--- a/btc-portfolio/docker-compose.yml
+++ b/btc-portfolio/docker-compose.yml
@@ -10,11 +10,12 @@ services:
     restart: unless-stopped
 
   frontend:
-    build: ./frontend
+    build:
+      context: ./frontend
+      args:
+        - REACT_APP_API_URL=http://localhost:8000
     ports:
-      - "3000:3000"
-    environment:
-      - REACT_APP_API_URL=http://localhost:8000
+      - "3001:3000"
     depends_on:
       - backend
     restart: unless-stopped