server.js

const Hapi = require('hapi');
const Inert = require('inert');
const Vision = require('vision');
const Joi = require('joi');
const HapiSwagger = require('hapi-swagger');
const service = require('./service')

const server = new Hapi.Server();
server.connection({
    host: 'localhost',
    port: 3000
});

const options = {
    info: {
        'title': 'Test API Documentation',
        'version': '0.0.1',
    }
};

server.register([
    Inert,
    Vision,
    {
        'register': HapiSwagger,
        'options': options
    }], (err) => {
        server.start((err) => {
            if (err) {
                console.log(err);
            } else {
                console.log('Server running at:', server.info.uri);
            }

            server.route({
                path: '/institution/{id}/courses',
                method: 'GET',
                config: {
                    handler: async (request, reply) => {
                        const res = await service.getCoursesByInstitutionID();
                        reply(res.data);
                    },
                    description: 'List institutions courses',
                    notes: 'Pass Institution id ',
                    tags: ['api'],
                    validate: {
                        params: {
                            id : Joi.number()
                                    .required(),
                        }
                    }
                }
            });

        });
});