initialize structure

config/config.js

+const config = {
+  env: process.env.NODE_ENV || 'development',
+  port: process.env.PORT || 3030,
+  jwtSecret: process.env.JWT_SECRET || 'My_secrete_key',
+  mongoUri: process.env.MONGODB_URI || process.env.MONGO_HOST || 'mongodb://qnaservice:qwerasdf@' + (process.env.IP || 'localhost') + ':' + (process.env.MONGO_PORT || '27017') + '/qna-service-test',
+}
+
+module.exports = config
\ No newline at end of file

package.json

+{
+  "name": "qna-service-competition",
+  "version": "1.0.0",
+  "description": "고려대학교 세종캠퍼스 학술정보원 주최 공모전",
+  "main": "index.js",
+  "scripts": {
+    "dev": "node ./server/index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://compmath.korea.ac.kr/gitlab/research/qna-service-competition.git"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.19.0",
+    "cors": "^2.8.5",
+    "express": "^4.17.1",
+    "helmet": "^4.2.0",
+    "mongoose": "^5.10.12"
+  }
+}

server/express.js

+const express = require('express')
+const bodyParser = require('body-parser')
+// import compress from 'compression'
+const cors = require('cors')
+const helmet = require('helmet')
+const path = require('path')
+
+// import userRoutes from './routes/user.routes'
+// import authRoutes from './routes/auth.routes'
+// import postRoutes from './routes/post.routes'
+
+
+const CURRENT_WORKING_DIR = process.cwd()
+const app = express()
+
+app.use(bodyParser.json())
+app.use(bodyParser.urlencoded({ extended: true }))
+// app.use(compress())
+app.use(helmet())
+app.use(cors())
+
+app.use('/dist', express.static(path.join(CURRENT_WORKING_DIR, 'dist')))
+
+// app.use('/', userRoutes)
+// app.use('/', authRoutes)
+// app.use('/', postRoutes)
+
+app.use((err, req, res, next) => {
+  if (err.name === 'UnauthorizedError') {
+    res.status(401).json({
+      error: err.name + ': ' + err.message
+    })
+  } else if (err) {
+    res.status(400).json({
+      error: err.name + ': ' + err.message
+    })
+    console.log(err)
+  }
+})
+
+module.exports = app
\ No newline at end of file

server/index.js

+const mongoose = require('mongoose')
+const app = require('./express')
+const config = require('../config/config')
+
+mongoose.Promise = global.Promise
+mongoose.connect(config.mongoUri, {
+  useNewUrlParser: true,
+  useCreateIndex: true,
+  useUnifiedTopology: true
+})
+
+mongoose.connection.on('error', () => {
+  throw new Error(`unable to connect to database: ${config.mongoUri}`);
+})
+
+app.listen(config.port, () => {
+  console.info('Server started on port %s.', config.port)
+})
\ No newline at end of file