base.js

const { ApolloServer, gql } = require('apollo-server');

const resolvers = require("./resolvers");

const typeDefs = gql`
  type Post {
    title: String!
    authorId: String!
  }
 
  type Query {
    posts: [Post!]!
  }
`;

const server = new ApolloServer({
  typeDefs,
  resolvers
});

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