app.js

const express = require('express');
const morgan = require('morgan');
const cors = require('cors');

const dotenvPath = process.env.DOTENV_CONFIG_PATH;
require('dotenv').config({ path: dotenvPath });

const indexRouter = require('./src/routes');
const app = express();

const createApp = () => {
  app.set('port', process.env.PORT || 8000);
  app.use(
    cors({
      origin: '*',
      credentials: true,
    }),
  );
  app.use(express.json());
  app.use(cors());
  app.use(morgan('combined'));
  app.use(express.urlencoded({ extended: true }));

  app.use(indexRouter);
  app.use((req, _, next) => {
    const error = new Error(`${req.method} ${req.url} 라우터가 없습니다.`);
    error.status = 404;
    next(error);
  });

  app.use((err, _, res, next) => {
    res.status(err.status || 500);
    return res.json({
      error: `${err.message}`,
    });
  });

  return app;
};

module.exports = { createApp };