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我正在尝试使用 React、NodeJS、GraphQL 和 Heroku 部署个人项目。这是我第一次使用 GraphQL，感觉有点失落。我正在做我通常在不使用 GraphQL 的情况下会做的所有事情，但是 Heroku 陷入了构建阶段。有谁知道会发生什么？非常感谢任何帮助，非常感谢！

这是我的服务器

const PORT = process.env.PORT || 3002;
const cors = require("cors");
const graphqlHTTP = require("express-graphql");
var schema = require("./schema/schema.js");
const { ApolloServer } = require("apollo-server-express");
const db = require("../mongodb/index");

const app = express();

app.use(cors());

app.use(
  "/graphql",
  graphqlHTTP({
    schema,
    graphiql: true
  })
);

const server = new ApolloServer({ schema });

// console.log(server);
app.use(express.static("public"));

server.applyMiddleware({ app });

app.listen({ port: PORT }, err => {
  if (err) {
    console.log("there was an error", err);
  } else {
    console.log(`server ready at http://localhost:3002${server.graphqlPath}`);
  }
});

我在 app.jsx 中的 apolloClient 看起来像这样

const client = new ApolloClient({
  uri: "/graphql"
});

在我尝试使用部署之后 git push heroku master

这需要很长时间，我得到以下信息

remote: webpack is watching the files…
remote:
remote:        Hash: ea7bec75c71b31ce8b50
remote:        Version: webpack 4.39.2
remote:        Time: 6998ms
remote:        Built at: 09/03/2019 4:19:47 AM
remote:            Asset      Size  Chunks             Chunk Names
remote:        bundle.js  12.4 MiB    main  [emitted]  main
remote:        Entrypoint main = bundle.js
remote:        [./client/index.jsx] 182 bytes {main} [built]
remote:        [./client/queries/queries.jsx] 1.68 KiB {main} [built]
remote:        [./node_modules/moment/locale sync recursive ^\.\/.*$] ./node_modules/moment/locale sync ^\.\/.*$ 3 KiB {main} [optional] [built]
remote:        [./node_modules/webpack/buildin/global.js] (webpack)/buildin/global.js 472 bytes {main} [built]
remote:        [./node_modules/webpack/buildin/harmony-module.js] (webpack)/buildin/harmony-module.js 573 bytes {main} [built]
remote:        [./node_modules/webpack/buildin/module.js] (webpack)/buildin/module.js 497 bytes {main} [built]
remote:            + 873 hidden modules
error: RPC failed; curl 56 OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 10054
fatal: the remote end hung up unexpectedly
fatal: the remote end hung up unexpectedly

我无法找到有关当前问题的任何信息。有没有人遇到过 Heroku 类似的问题？

非常感谢！！

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