Node.js 使用Create React App和Node/Express部署到Heroku:EADDRNOTAVAIL
我使用Facebook的Create React应用程序模板和Nodejs/Express构建了一个MERN堆栈,在部署时会产生错误。我正在使用Node.js 使用Create React App和Node/Express部署到Heroku:EADDRNOTAVAIL,node.js,reactjs,express,heroku,create-react-app,Node.js,Reactjs,Express,Heroku,Create React App,我使用Facebook的Create React应用程序模板和Nodejs/Express构建了一个MERN堆栈,在部署时会产生错误。我正在使用 首先,当我在为本地主机配置代理后部署它时,我的应用程序只会显示“无效主机头”。并建议指定主机,甚至危险地禁用主机检查;我做了这两件事,错误#1消失了,但#2出现在我的.env.development文件中,文件名为HOST=my heroku app.herokuapp.com(这是错误的吗?)。 (我也尝试手动禁用主机检查,但这也导致了我的下一个错误
HOST=my heroku app.herokuapp.com
(这是错误的吗?)。
(我也尝试手动禁用主机检查,但这也导致了我的下一个错误。)2018-03-04T03:02:49.270931+00:00 heroku[web.1]: - Restarting
2018-03-04T03:02:49.271285+00:00 heroku[web.1]: - State changed from up to starting
2018-03-04T03:02:04.000000+00:00 app[api]: - Build succeeded
2018-03-04T03:02:50.294779+00:00 heroku[web.1]: - Stopping all processes with SIGTERM
2018-03-04T03:02:50.404316+00:00 heroku[web.1]: - Process exited with status 143
2018-03-04T03:02:57.240490+00:00 heroku[web.1]: - Starting process with command `react-scripts start`
2018-03-04T03:03:01.011562+00:00 heroku[web.1]: - Process exited with status 1
2018-03-04T03:03:01.038935+00:00 heroku[web.1]: - State changed from starting to crashed
2018-03-04T03:03:01.040756+00:00 heroku[web.1]: - State changed from crashed to starting
2018-03-04T03:03:00.918201+00:00 app[web.1]: - Could not find an open port at myapp.herokuapp.com.
2018-03-04T03:03:00.918218+00:00 app[web.1]: - Network error message: listen EADDRNOTAVAIL 54.235.183.213
2018-03-04T03:03:11.873080+00:00 heroku[web.1]: - State changed from starting to crashed
2018-03-04T03:03:11.856257+00:00 heroku[web.1]: - Process exited with status 1
2018-03-04T03:03:14.126300+00:00 heroku[router]: - at=error code=H10 desc="App crashed" method=GET path="/" host=mysite.herokuapp.com request_id=a688b1cb-d756-4201-a056-25d65ad13de1 fwd="ip_of_my_site" dyno= connect= service= status=503 bytes= protocol=https
这是我设置服务器的代码
const port = process.env.PORT || 3001;
//starts the server and listens for requests
app.listen(port, function () {
debug(`api running on port ${port}`);
});
{
"name": "my_project",
"version": "0.1.0",
"private": true,
"proxy": "http://localhost:3001/",
"dependencies": {
"@sendgrid/mail": "^6.2.1",
"async": "^2.6.0",
"aws-sdk": "^2.205.0",
"axios": "^0.14.0",
"body-parser": "~1.17.1",
"cookie-parser": "~1.4.3",
"cors": "^2.8.4",
"debug": "^2.6.9",
"dotenv": "^5.0.1",
"express": "~4.15.2",
"express-fileupload": "^0.4.0",
"font-awesome": "^4.7.0",
"foreman": "^2.0.0",
"history": "^4.7.2",
"marked": "^0.3.17",
"milligram": "^1.3.0",
"milligram-react": "0.0.0",
"mongodb": "^2.2.35",
"mongoose": "^4.13.11",
"morgan": "~1.8.1",
"nodemailer": "^4.6.0",
"nodemon": "^1.17.1",
"react": "^16.2.0",
"react-bootstrap": "^0.32.1",
"react-dom": "^16.2.0",
"react-fontawesome": "^1.6.1",
"react-icons": "^2.2.7",
"react-onclickoutside": "^6.7.1",
"react-router": "^4.2.0",
"react-router-dom": "^4.2.2",
"react-scripts": "1.0.17",
"react-table": "^6.8.0",
"sendgrid-web": "0.0.5",
"serve-favicon": "~2.4.2",
"supports-color": "^5.3.0"
},
"scripts": {
"start": "react-scripts start | node server.js",
"start-dev": "set DEBUG=* & nodemon server.js",
"build": "react-scripts build",
"test": "react-scripts test --env=jsdom",
"eject": "react-scripts eject"
}
}
请发布您的
包.json
文件。@Daniel我已经发布了。就在脚本“
上方,您需要添加“引擎”:{“节点”:“npm”:
。每当Heroku启动应用程序时,它都会读取我们的包.json
文件,查看是否有任何版本供它使用,并且无论何时部署应用程序,它都会使用该版本。否则,Heroku倾向于使用较旧版本的节点
和npm
,如果不是您的版本,应用程序将停止运行另外,我认为您的开始脚本中包含的内容太多了,只需执行:“scripts”:“node server.js”
,虽然通常是它的索引.js
。你创建了.gitignore
文件吗?@Daniel感谢你的回复。我按照你说的做了,并用我的版本添加了引擎,我将脚本编辑为node server.js。我在heroku关于EADDRNOTAVAIL的日志中发现了一个应用程序崩溃和相同的错误(因为我使用的是heroku nodejs构建包,所以我认为我的开始脚本并不重要).我有一个.gitignore文件,尽管我确保了我的.env.development文件不在,gitignore.So中,所以我在这里的想法是一个消除过程。感谢您坚持到底。我注意到您有一个const host=process.env.host | |“0.0.0”
。您需要这个吗?似乎与IP地址有冲突ess.您在没有那行代码的情况下尝试过吗?我知道我们需要动态端口绑定来部署到Heroku,但我认为您不需要动态主机绑定。