const start = () => { mongoose.connect(process.env.DB_URL, dbConnectOptions, handleDbConnect); mongoose.set('useFindAndModify', false); apolloApp.applyMiddleware({ app: expressApp }); apolloApp.installSubscriptionHandlers(server); server.listen({ port: process.env.PORT }, handleServerStart); }
server.applyMiddleware({ app, path: '/' }) const httpServer = http.createServer(app) server.installSubscriptionHandlers(httpServer)