app.js

require('dotenv').config();
const createError = require('http-errors');
const express = require('express');
const cors = require('cors');
const path = require('path');
const mongoose = require('mongoose');
const cookieParser = require('cookie-parser');
const logger = require('morgan');
const { log } = console;

const indexRouter = require('./routes/index');
const coachRouter = require('./routes/coach');

const app = express();

const DB_PASSWORD = process.env.DB_PASSWORD || '';
const DB_USER = process.env.DB_USER || '';
const DB_HOST = process.env.DB_HOST || '';
const remoteDB = `mongodb+srv://${DB_USER}:${DB_PASSWORD}@${DB_HOST}?retryWrites=true&w=majority`
const localDB = 'mongodb://localhost/pgecom_database';
const DB_URL = process.env.NODE_ENV === 'production' ? remoteDB : localDB;
log('DB URL: ', DB_URL);
mongoose.connect(DB_URL, {
  useNewUrlParser: true,
  useUnifiedTopology: true,
  useFindAndModify: false,
  useCreateIndex: true
});

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'hbs');

app.use(logger('dev'));
app.use(express.json());
app.use(cors());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', indexRouter);
app.use('/coach', coachRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// 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');
});

module.exports = app;