app.js

const createError = require('http-errors');
const express = require('express');
const cookieParser = require('cookie-parser');
const logger = require('morgan');
const api = require('./api/routes/api.route');
const app = express();
const cors = require('cors');
const bluebird = require('bluebird');
const path = require('path');
const MONGODB_URI = process.env.MONGODB_URI || 'mongodb://127.0.0.1:27017/mean-crud-app';

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(cors());
app.use(express.static(path.join(__dirname, 'dist')));
app.use('/api', api);
app.use('/uploads',express.static('uploads'));
app.get('*', (req, res) => {
  res.sendFile(path.join(__dirname, 'dist/index.html'));
});


app.use(function(req, res, next) {
  const error = createError(404);
  res.status(error.status).json({status: error.status, message: error.message});
});
// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

const mongoose = require('mongoose');
mongoose.Promise = bluebird;
mongoose.connect(MONGODB_URI)
  .then(() => {  console.log(`Successfully connected to the Mongodb Database  at URL : ${MONGODB_URI}`) })
  .catch(() => { console.log(`Error Connecting to the Mongodb Database at URL : ${MONGODB_URI}`)});
module.exports = app;