feat: configure Docker setup with multi-stage build for Next.js application

docker-compose.yml

@@ -1,10 +1,11 @@
 services:
-  clock-app:
-    image: node:21
-    working_dir: /app
+  web:
+    build: .
+    ports:
+      - "3000:3000"
     volumes:
       - ./:/app
-    command: sh -c "npm install && npm run build && npm start"
-    ports:
-      - "3007:3000"
-    restart: unless-stopped
+      - /app/node_modules
+    environment:
+      - NODE_ENV=development
+    command: npm run dev