Sample express.route config with nested GET, POST, PUT, & DELETE routes.

server.js

app
	.route('/api')
	.get((req, res) => {
		res.setHeader('Cache-Control', 'no-cache,no-store,max-age=0,must-revalidate')
		res.setHeader('Pragma', 'no-cache')
		res.setHeader('Expires', '-1')
		res.send('The data was retrieved successfully!')
	})
	.post((req, res) => {
		res.setHeader('Cache-Control', 'no-cache,no-store,max-age=0,must-revalidate')
		res.setHeader('Pragma', 'no-cache')
		res.setHeader('Expires', '-1')
		res.send('The data was saved successfully!')
	})
	.put((req, res) => {
		res.setHeader('Cache-Control', 'no-cache,no-store,max-age=0,must-revalidate')
		res.setHeader('Pragma', 'no-cache')
		res.setHeader('Expires', '-1')
		res.send('The data was updated successfully!')
	})
	.delete((req, res) => {
		res.setHeader('Cache-Control', 'no-cache,no-store,max-age=0,must-revalidate')
		res.setHeader('Pragma', 'no-cache')
		res.setHeader('Expires', '-1')
		res.send('The data was deleted successfully!')
	})