const Mongoose = require('mongoose'); Mongoose.Promise = Promise; const { SchemaTypes } = Mongoose; Mongoose.connect('mongodb://tfb-database:27017/hello_world', { useNewUrlParser: true }) .catch(error => { console.error(error); process.exit(1); }); const WorldSchema = new Mongoose.Schema({ _id: Number, randomNumber: Number, }, { collection: 'world', versionKey: false }); const FortuneSchema = new Mongoose.Schema({ id: SchemaTypes.Number, message: SchemaTypes.String, }, { collection: 'fortune', versionKey: false, }); module.exports.Worlds = Mongoose.model('World', WorldSchema, 'world'); module.exports.Fortunes = Mongoose.model('Fortune', FortuneSchema, 'fortune');