feat: add docker-compose profile for frontend-only dev (#18)

* feat: add docker-compose profile for frontend-only dev

* fix: improve networking and use explicit service dependency

Author: Matheus083

docker-compose.yml

@@ -10,6 +10,22 @@ services:
       - vibe-sessions:/app/agent/sessions
     restart: unless-stopped
 
+  frontend:
+    image: node:20
+    working_dir: /app
+    ports:
+      - "5899:5899"
+    volumes:
+      - ./frontend:/app
+    environment:
+      - VITE_API_URL=http://vibe-trading:8899
+    command: sh -c "npm install && npm run dev -- --host --port 5899"
+    profiles:
+      - frontend
+    depends_on:
+      vibe-trading:
+        condition: service_started
+
 volumes:
   vibe-runs:
   vibe-sessions: