[英]Heroku Deploy Error: Cannot get Node App running after Deploy : Cannot find module '/app/web.js'
[英]error: Cannot find module '/app/app,js' heroku
我的 web 在我的本地機器上完美運行,但在 Heroku 中,我部署了我的應用程序,但沒有任何工作,當: $ heroku logs --tail
State changed from crashed to starting
Starting process with command `node app.js`
internal/modules/cjs/loader.js:883
throw err;
^
Error: Cannot find module 'express'
Require stack:
- /app/app.js
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:880:15)
at Function.Module._load (internal/modules/cjs/loader.js:725:27)
at Module.require (internal/modules/cjs/loader.js:952:19)
at require (internal/modules/cjs/helpers.js:88:18)
at Object.<anonymous> (/app/app.js:1:17)
at Module._compile (internal/modules/cjs/loader.js:1063:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
at Module.load (internal/modules/cjs/loader.js:928:32)
at Function.Module._load (internal/modules/cjs/loader.js:769:14)
at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12) {
code: 'MODULE_NOT_FOUND',
requireStack: [ '/app/app.js' ]
}
目錄結構:
-app
-css
-files
-js
-logo
-views
-index.html
-app.js
-composer.json
-package-lock.json
-package.json
-Procfile
檔案:
web: node app.js
package.json:
{
"name": "app",
"version": "1.0.0",
"engines": {
"node": "14.15.3"
},
"private": "true",
"main": "app.js",
"scripts": {
"start": "node app.js",
"dev": "nodemon app.js"
},
"keywords": [],
"author": "me",
"repository": "appRep",
"license": "ISC",
"devDependencies": {
"chokidar": "^3.5.2",
"express": "^4.17.2",
"fs": "0.0.1-security",
"nodemailer": "^6.7.2",
"nodemon": "^2.0.15",
"path": "^0.12.7"
}
}
.env:(甚至在 .env 文件之前一切都是一樣的)
PORT = 8081
你們有什么想法嗎? 先感謝您!!
確保快車安裝在 Heroku 上。 您應該將express
添加到package.json
文件中的dependencies
項 object
您的express
package 列在devDependencies
的package.json
中,嘗試將其移至dependencies
項,如下所示
"dependencies": {
"express": "^4.17.2"
}
devDependencies
應該只列出對部署在生產中的應用程序(Heroku)來說不是必需的包。 可能有必要將更多包移動到dependencies
項,而不僅僅是express
。
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