[CHORE] 서비스 포트 3001번으로 수정

react-whenMeet/Dockerfile

@@ -3,5 +3,5 @@ WORKDIR /app
 COPY package.json ./
 RUN npm install
 COPY . .
-EXPOSE 80
+EXPOSE 3001
 CMD ["npm", "start"]
\ No newline at end of file

react-whenMeet/package.json

@@ -19,7 +19,7 @@
     "web-vitals": "^2.1.4"
   },
   "scripts": {
-    "start": "export PORT=80 && react-scripts start",
+    "start": "export PORT=3001 && react-scripts start",
     "build": "react-scripts build",
     "test": "react-scripts test",
     "eject": "react-scripts eject"