我在上传项目时收到此错误ng。当我在当地时，它工作得很好。当我将其上传到赫鲁古时，出现此错误。
-----> Node.js app detected
-----> Creating runtime environment
NPM_CONFIG_LOGLEVEL=error
NPM_CONFIG_PRODUCTION=true
NODE_VERBOSE=false
NODE_ENV=production
NODE_MODULES_CACHE=true
-----> Installing binaries
engines.node (package.json): 8.1.4
engines.npm (package.json): unspecified (use default)
Resolving node version 8.1.4...
Downloading and installing node 8.1.4...
Detected package-lock.json: defaulting npm to version 5.x.x
Bootstrapping npm 5.x.x (replacing 5.0.3)...
npm 5.3.0 installed
-----> Restoring cache
Skipping cache restore (not-found)
-----> Building dependencies
Installing node modules (package.json + package-lock)
> orahi-dash-board@0.0.0 preinstall /tmp/build_69fc13367426455c989d318ff32b98f2
> npm install -g http-server
/tmp/build_69fc13367426455c989d318ff32b98f2/.heroku/node/bin/http-server -> /tmp/build_69fc13367426455c989d318ff32b98f2/.heroku/node/lib/node_modules/http-server/bin/http-server
/tmp/build_69fc13367426455c989d318ff32b98f2/.heroku/node/bin/hs -> /tmp/build_69fc13367426455c989d318ff32b98f2/.heroku/node/lib/node_modules/http-server/bin/http-server
+ http-server@0.10.0
added 23 packages in 2.902s
> orahi-dash-board@0.0.0 postinstall /tmp/build_69fc13367426455c989d318ff32b98f2
> ng build --aot -prod
sh: 1: ng: not found
npm ERR! file sh
npm ERR! code ELIFECYCLE
npm ERR! errno ENOENT
npm ERR! syscall spawn
npm ERR! orahi-dash-board@0.0.0 postinstall: `ng build --aot -prod`
npm ERR! spawn ENOENT
npm ERR!
npm ERR! Failed at the orahi-dash-board@0.0.0 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! /app/.npm/_logs/2017-08-02T03_59_17_505Z-debug.log
-----> Build failed
We're sorry this build is failing! You can troubleshoot common issues here:
https://devcenter.heroku.com/articles/troubleshooting-node-deploys
If you're stuck, please submit a ticket so we can help:
https://help.heroku.com/
Love,
Heroku
! Push rejected, failed to compile Node.js app.
! Push failed
可能是什么问题？
这是我的package.json
{
"name": "",
"version": "0.0.0",
"license": "MIT",
"engines": {
"node": "8.1.4"
},
"angular-cli": {},
"scripts": {
"ng": "ng",
"start": "http-server",
"lint": "tslint "src/**/ *.ts"",
"test": "ng test",
"pree2e": "webdriver-manager update",
"e2e": "protractor",
"preinstall": "npm install -g http-server",
"postinstall": "ng build --aot -prod",
"start-dev": "ng serve"
},
"private": true,
"dependencies": {
"@angular/animations": "^4.3.2",
"@angular/common": "^4.3.2",
"@angular/compiler": "^4.3.2",
"@angular/compiler-cli": "^4.3.2",
"@angular/core": "^4.3.2",
"@angular/forms": "^4.3.2",
"@angular/http": "^4.3.2",
"@angular/material": "2.0.0-beta.2",
"@angular/platform-browser": "^4.3.2",
"@angular/platform-browser-dynamic": "^4.3.2",
"@angular/platform-server": "^4.3.2",
"@angular/router": "^4.3.2",
"@angular/tsc-wrapped": "^0.5.0",
"@ngrx/core": "^1.2.0",
"@ngrx/store": "^2.2.2",
"angular2-datatable": "0.6.0",
"angular2-google-maps": "0.17.0",
"core-js": "2.4.1",
"express": "^4.15.3",
"hammerjs": "^2.0.8",
"install": "^0.10.1",
"ng2-img-cropper": "0.8.0",
"npm": "^5.0.3",
"rxjs": "^5.4.2",
"typescript": "^2.4.2",
"zone.js": "0.7.6"
},
"devDependencies": {
"@angular/cli": "^1.2.6",
"@types/hammerjs": "^2.0.34",
"@types/jasmine": "2.5.38",
"@types/node": "6.0.60",
"codelyzer": "2.0.0-beta.4",
"jasmine-core": "2.5.2",
"jasmine-spec-reporter": "3.2.0",
"karma": "1.4.1",
"karma-chrome-launcher": "2.0.0",
"karma-cli": "1.0.1",
"karma-coverage-istanbul-reporter": "0.2.0",
"karma-jasmine": "1.1.0",
"karma-jasmine-html-reporter": "0.2.2",
"ngrx-store-freeze": "^0.1.9",
"protractor": "5.1.0",
"ts-node": "2.0.0",
"tslint": "4.4.2"
}
}
默认情况下，Angular 依赖项会添加到您的devDependencies中。Heroku 在部署时不会安装开发依赖项，因此需要将这些依赖项移动到package.json的常规dependencies部分。请参阅本指南中的"移动 @angular/CLI 依赖项"：https://medium.com/@ryanchenkie_40935/angular-cli-deployment-host-your-angular-2-app-on-heroku-3f266f13f352