text: 
  const express = require("express");
  const { graphqlHTTP } = require("express-graphql");
  const cors = require("cors");
  const schema = require("./schema");
  
  
  const app = express();
  app.use(cors({ origin: 'http://localhost:3000 ' }))
  
  app.use('/graphql', graphqlHTTP({
      schema,
      graphiql: true,
  }));
  
  app.use(express.static('public'));
  
  
  
  const PORT = process.env.PORT || 5000;
  app.listen(PORT, () => console.log(`Express is running at port ${PORT}`));