app.js

const express = require("express");
const bodyParser = require("body-parser");
const { graphqlHTTP } = require("express-graphql");
const { graphqlUploadExpress } = require("graphql-upload");
const mongoose = require("mongoose");
const isAuth = require("./middleware/is-auth");
const graphQlschema = require("./graphql/schema/index");
const graphQlresolvers = require("./graphql/resolvers/index");

const port = process.env.PORT || 3001;

const app = express();

app.use(bodyParser.json());

app.use((req, res, next) => {
  res.setHeader("Access-Control-Allow-Origin", "*");
  res.setHeader("Access-Control-Allow-Methods", "POST,GET,OPITIONS");
  res.setHeader("Access-Control-Allow-Headers", "Content-type, Authorization");
  // res.setHeader("Access-Control-Allow-Credentials", true);
  if (req.method === "OPTIONS") {
    return res.sendStatus(200);
  }
  next();
});

app.use(isAuth);

app.use(
  "/clinic",
  graphqlUploadExpress({ maxFileSize: 10000000, maxFiles: 10 }),
  graphqlHTTP({
    schema: graphQlschema,
    rootValue: graphQlresolvers,
    graphiql: true,
  })
);

mongoose
  .connect(
    `mongodb+srv://${process.env.MONGO_USER}:${process.env.MONGO_PASSWORD}@nawab.eerkf.mongodb.net/${process.env.MONGO_DB}?retryWrites=true&w=majority`,
    {
      useNewUrlParser: true,
      useUnifiedTopology: true,
      useCreateIndex: true,
      useNewUrlParser: true,
    }
  )
  .then(() => {
    app.listen(port);
  })
  .catch((err) => {
    throw err;
  });