Basic Apollo Server

server.ts

import { ApolloServer, gql } from 'apollo-server'

const server = new ApolloServer({
  typeDefs: gql`

    type Query {
      hello: String!
    }

  `,
  resolvers: {
    Query: {
      hello: () => "Hey!"
    }
  }
});

server.listen().then(({ url }) => {
  console.log(`🚀 Server ready at ${url}`);
});