apollo-client.js

import React from 'react'
import ReactDOM from 'react-dom'
import './index.css'
import App from './App'
import registerServiceWorker from './registerServiceWorker'
import { ApolloProvider } from 'react-apollo'
import { ApolloClient, HttpLink, InMemoryCache } from 'apollo-client-preset'

const httpLink = new HttpLink({ uri: 'http://localhost:4000/graphql' })

const client = new ApolloClient({
  link: httpLink,
  cache: new InMemoryCache(),
})

ReactDOM.render(
  <ApolloProvider client={client}>
    <App />
  </ApolloProvider>,
  document.getElementById('root'),
)
registerServiceWorker()