【问题标题】:Error R10 (Boot timeout) -> Web process failed to bind to $PORT within 60 seconds of launch - HEROKU ERROR错误 R10(启动超时)-> Web 进程未能在启动后 60 秒内绑定到 $PORT - HEROKU ERROR
【发布时间】:2021-08-19 12:02:28
【问题描述】:

我将 Node.js WebApp 部署到 heroku,但出现此错误

2021-06-01T09:19:42.615419+00:00 heroku[web.1]: State changed from crashed to starting
2021-06-01T09:19:47.259832+00:00 heroku[web.1]: Starting process with command `node app.js`
2021-06-01T09:19:51.146182+00:00 app[web.1]: Server is running on port 3001.
2021-06-01T09:20:47.916699+00:00 heroku[web.1]: Error R10 (Boot timeout) -> Web process failed to 
bind to $PORT within 60 seconds of launch
2021-06-01T09:20:47.989032+00:00 heroku[web.1]: Stopping process with SIGKILL
2021-06-01T09:20:48.124402+00:00 heroku[web.1]: Process exited with status 137
2021-06-01T09:20:48.196055+00:00 heroku[web.1]: State changed from starting to crashed
2021-06-01T09:24:45.072782+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET 
path="/" host=positate.herokuapp.com request_id=7e9ec2b1-5685-4c3f-9c29-6c03268b7c82 
fwd="157.51.56.186" dyno= connect= service= status=503 bytes= protocol=https
2021-06-01T09:24:46.540443+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET 
path="/favicon.ico" host=positate.herokuapp.com request_id=4ab44a6a-4795-4a4d-b32d-28d796845774 
fwd="157.51.56.186" dyno= connect= service= status=503 bytes= protocol=https

我在这里附加我的 app.js

require("dotenv").config();
const express = require("express");
const app = express();
const ejs = require("ejs");
const mongoose = require("mongoose");
const session = require("express-session");
const passport = require("passport");
const passportLocalMongoose = require("passport-local-mongoose");
const GoogleStrategy = require("passport-google-oauth20").Strategy;
const findOrCreate = require("mongoose-findorcreate");
const timestamp = require("mongoose-timestamp");
const MongoStore = require('connect-mongo');

const auth = require("./routes/auth");
const User = require("./database/models/user_model");

const blogRoute = require("./routes/blogRoute");


mongoose.connect(process.env.DB_URI, {
  useNewUrlParser: true,
  useUnifiedTopology: true,
});
mongoose.set("useCreateIndex", true);
mongoose.set("useFindAndModify", false);

app.use(express.static("public"));
app.set("view engine", "ejs");
app.use(express.urlencoded({ extended: true }));
app.use(express.json());



app.use(session({
  secret: "foo",
  saveUninitialized: false,
  resave: false,
  store: MongoStore.create({
    mongoUrl: process.env.DB_URI,
    mongoOptions: { useUnifiedTopology: true },
    collectionName: 'sessions',
    autoRemove: 'native',
  })
}));

app.use(passport.initialize());
app.use(passport.session());

passport.use(User.createStrategy());

passport.serializeUser(function (user, done) {
  done(null, user.id);
});

passport.deserializeUser(function (id, done) {
  User.findById(id, function (err, user) {
    done(err, user);
  });
});

passport.use(
  new GoogleStrategy(
    {
      clientID: process.env.GOOGLE_CLIENT_ID,
      clientSecret: process.env.GOOGLE_CLIENT_SECRET,
      callbackURL: "http://localhost:3001/auth/google/positate" || "https://positate.herokuapp.com/auth/google/positate",
    },
    function (accessToken, refreshToken, profile, cb) {
      User.findOrCreate(
        {
          googleId: profile.id,
          name: profile.displayName,
          username: profile.emails[0].value,
          image: profile.photos[0].value,
        },
        function (err, user) {
          return cb(err, user);
        }
      );
    }
  )
);

app.get("/", (req, res) => {
  res.render("Landing");
});

app.use("/", auth);
app.use("/blog", blogRoute);
app.use("/", blogRoute);
app.use("/category", blogRoute);


app.listen(3001 || process.env.PORT, '0.0.0.0', () => {
  console.log("Server is running.");
});
这是我的 Procfile
web: node app.js

这是我的 package.json

{
  "name": "positate",
  "version": "1.0.0",
  "description": "",
  "main": "app.js",
  "engines": {
    "node": "14.15.4",
    "npm": "6.14.10"
  },
  "scripts": {
    "start": "node app.js"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "connect-mongo": "^4.4.1",
    "dotenv": "^10.0.0",
    "ejs": "^3.1.6",
    "express": "^4.17.1",
    "express-session": "^1.17.2",
    "mongoose": "^5.12.11",
    "mongoose-findorcreate": "^3.0.0",
    "mongoose-timestamp": "^0.6.0",
    "passport": "^0.4.1",
    "passport-google-oauth20": "^2.0.0",
    "passport-local": "^1.0.0",
    "passport-local-mongoose": "^6.1.0"
  }
}

我为此错误尝试了各种解决方案,但无法解决。在过去的三天里,我一直在努力解决这个问题。 请帮我解决这个错误 非常感谢您。

【问题讨论】:

  • 项目内部有带端口的dotenv文件吗?
  • 我在本地目录中有它,我在 heroku 中添加了配置变量
  • webapp 在我的本地服务器上完美运行

标签: javascript node.js express heroku hosting


【解决方案1】:

问题在于您定义端口的方式,它始终在 3001 上运行,这在 Heroku 上是不可能的,您需要绑定 $PORT 环境变量。
更改您的代码以首先检查 process.env.PORT 是否已定义(它将在 Heroku 上,但在您的本地开发环境中,它将默认为 3001)

app.listen(process.env.PORT || 3001, '0.0.0.0', () => {
  console.log("Server is running.");
});

NodeJS on Heroku

【讨论】:

    【解决方案2】:

    从您的 package.json 中删除引擎并尝试再次运行它。似乎存在与此相关的问题

    Source

    【讨论】:

    • 我也尝试过这样做,您认为可能是其他问题吗?
    • 上面的另一个答案表明您需要将监听位更改为 process.env.PORT || 3001 可能是这样的方式
    • 感谢您的回复,以上回答有效
    【解决方案3】:

    我也遇到了同样的问题,这让我发疯了很长时间。

    解决方法是配置我的网络服务器以执行以下操作BOTH

    1. 自动从process.env.PORT(也称为$PORT 环境变量)获取端口。Heroku 在部署时自动设置。
    2. 通过地址0.0.0.0 明确收听(locahost 不起作用!)

    原来 Heroku 已经在他们的 help guide 中解释了这一点:

    在极少数情况下,您的应用可能正在使用 process.env.PORT,但仍可能无法绑定。这可能是由于应用程序尝试在localhost 上绑定造成的。相反,您可能需要将其更改为 0.0.0.0

    【讨论】:

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