ApolloProvider.js

import React from "react";
import App from "./App";
import ApolloClient from "apollo-client";
import { ApolloProvider } from "@apollo/react-hooks";
import { createHttpLink } from "apollo-link-http";
import { InMemoryCache } from "apollo-cache-inmemory";

const httpLink = createHttpLink({ uri: "http://localhost:5001" });

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

export default (
  <ApolloProvider client={client}>
    <App />
  </ApolloProvider>
);