git commit -m 'updated docker compose'

Author: MasahisaSekita

course-matrix/docker-compose.yml

@@ -12,12 +12,14 @@ services:
       - ./backend:/app
       - /app/node_modules
     command: ["npm", "run", "dev"]
+    networks:
+      - course-matrix-net
 
   frontend:
     build: 
       context: ./frontend
       args:
-        VITE_SERVER_URL: "http://localhost:8081"
+        VITE_SERVER_URL: "http://backend:8081"
     ports:
       - "5173:5173"
     volumes:
@@ -26,3 +28,9 @@ services:
     command: ["npm", "run", "dev"]
     depends_on:
       - backend
+    networks:
+      - course-matrix-net
+
+networks:
+  course-matrix-net:
+    driver: bridge