index.js

'use strict'

require('dotenv').config()
const { makeExecutableSchema } = require('graphql-tools')
const express = require('express')
const cors = require ('cors')
const { graphqlHTTP } = require('express-graphql')
const { readFileSync } = require('fs')
const { join } = require('path')
const resolvers = require ('./lib/resolvers')

const app = express()
const port = process.env.port || 3000
const isDev = process.env.NODE_ENV !== 'production'

const typeDefs = readFileSync(
        join(__dirname, 'lib', 'schema.graphql'),
        'utf-8'
    )

const schema = makeExecutableSchema({
    typeDefs, resolvers
})

app.use(cors())

app.use('/api', graphqlHTTP({
    schema: schema,
    rootValue: resolvers,
    graphiql: isDev
}))

app.listen(port, () => {
    console.log(`Server is listening at http://localhost:${port}/api`)
})