Merge remote-tracking branch 'origin/young' into soo-12-28

server/server.js

 import express from 'express'
 import connectDb from './utils/connectDb.js'
-import userRouter from './routes/user.routers.js'
+import userRouter from './routes/user.routes.js'
 
 connectDb()
 
 const app = express()
 
 app.use(express.json())
+//이부분을 body 파싱함
+//express가 req.body라는곳을 자동으로만들어서 json형식으로 보낸것을 객체형식으로 넣음
+//이부분 다음부터는 req.body라는 부분을 실행할 수 있음
 
 app.use(userRouter)
+//userRouter로 이동
 
 app.get('/', (req, res) => {
-    res.sendFile('../client/src/index.js')
+    res.send('Hello World. 안녕하세요')
 })
 
-app.listen(3001, () => {
-    console.log('Listening on port 3001')
-})
\ No newline at end of file
+app.listen(3030, () => {
+    console.log('Listening on port 3030')
+})

server/utils/connectDb.js

@@ -4,11 +4,11 @@ import config from '../config.js'
 const connection = {}
 
 async function connectDb() {
-    if (connection.isConnected){
-        return 
+    if (connection.isConnected) {
+        return
     }
 
-    const db = await mongoose.connect(config.mongoDbUri,{
+    const db = await mongoose.connect(config.mongoDbUri, {
         useNewUrlParser: true,
         useUnifiedTopology: true,
         useFindAndModify: false,