部署机器人时出现 Heroku 部署错误答案

【问题标题】：Heroku deployment error when deploying bot部署机器人时出现 Heroku 部署错误
【发布时间】：2021-10-29 17:09:37
【问题描述】：

我的 discord 机器人无法与 Heroku 很好地配合，有人知道原因吗？我将给出我在尝试部署机器人时收到的错误消息，如果你们需要有关我程序中文件的信息，只需 lmk！谢谢

2021-08-31T03:57:41.760749+00:00 heroku[worker.1]: Starting process with command `node index.js`
2021-08-31T03:57:42.368542+00:00 heroku[worker.1]: State changed from starting to up
2021-08-31T03:57:44.139912+00:00 heroku[worker.1]: Process exited with status 1
2021-08-31T03:57:44.213728+00:00 heroku[worker.1]: State changed from up to crashed
2021-08-31T03:57:44.057396+00:00 app[worker.1]: /app/node_modules/discord.js/src/rest/APIRequest.js:33
2021-08-31T03:57:44.057418+00:00 app[worker.1]:     agent ??= new https.Agent({ ...this.client.options.http.agent, keepAlive: true });
2021-08-31T03:57:44.057419+00:00 app[worker.1]:           ^^^
2021-08-31T03:57:44.057419+00:00 app[worker.1]: 
2021-08-31T03:57:44.057419+00:00 app[worker.1]: SyntaxError: Unexpected token '??='
2021-08-31T03:57:44.057420+00:00 app[worker.1]:     at wrapSafe (internal/modules/cjs/loader.js:988:16)
2021-08-31T03:57:44.057420+00:00 app[worker.1]:     at Module._compile (internal/modules/cjs/loader.js:1036:27)
2021-08-31T03:57:44.057420+00:00 app[worker.1]:     at Object.Module._extensions..js (internal/modules/cjs/loader.js:1101:10)
2021-08-31T03:57:44.057420+00:00 app[worker.1]:     at Module.load (internal/modules/cjs/loader.js:937:32)
2021-08-31T03:57:44.057421+00:00 app[worker.1]:     at Function.Module._load (internal/modules/cjs/loader.js:778:12)
2021-08-31T03:57:44.057421+00:00 app[worker.1]:     at Module.require (internal/modules/cjs/loader.js:961:19)
2021-08-31T03:57:44.057421+00:00 app[worker.1]:     at require (internal/modules/cjs/helpers.js:92:18)
2021-08-31T03:57:44.057421+00:00 app[worker.1]:     at Object.<anonymous> (/app/node_modules/discord.js/src/rest/RESTManager.js:4:20)
2021-08-31T03:57:44.057421+00:00 app[worker.1]:     at Module._compile (internal/modules/cjs/loader.js:1072:14)
2021-08-31T03:57:44.057422+00:00 app[worker.1]:     at Object.Module._extensions..js (internal/modules/cjs/loader.js:1101:10)```

【问题讨论】：

标签： heroku discord discord.js

【解决方案1】：

discord.js v13 需要 node v16.6 或更高版本，而 Heroku dyno 没有。根据the Heroku docs，要指定自定义节点版本，您需要将其包含在package.json 中：

{
  // ...
  "engines": {
    "node": "16.x" // Or whatever node version you want
  }
  // ...
}

【讨论】：

你救了我，非常感谢?