app.js

// Copyright (c) 2018 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

'use strict';

const path = require('path');
const express = require('express');
const morgan = require('morgan');
const bodyParser = require('body-parser');

const app = module.exports = express();
const index = require('./routes/index');
const healthy = require('./routes/healthy');
const health_endpoint = process.env.HEALTH_ENDPOINT || '/healthy';

app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
app.use(morgan('dev'));
app.use(express.static(path.join(__dirname, 'public')));
app.use(bodyParser.urlencoded({
  extended: true
}));
app.use(bodyParser.json());

// routes
app.use(health_endpoint, healthy);
app.use('*', index);

// error handler
app.use((err, req, res, next) => {
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};
  res.status(err.status || 500);
  res.render('error');
});