此致
我试图在heroku中上载我的应用程序，但是当我为该应用程序生成链接时，它向我显示错误“应用程序错误 应用程序中发生错误，无法提供您的页面。如果您是应用程序所有者，请检查日志以获取详细信息。 “
构建应用程序时，它仅在dist文件夹中生成以下文件： build.js和build.js.map
这是日志文件：
Installing any new modules (package.json)
up to date in 6.643s
-----> Caching build
Clearing previous node cache
Saving 2 cacheDirectories (default):
- node_modules
- bower_components (nothing to cache)
-----> Pruning devDependencies
Skipping because npm 5.6.0 sometimes fails when running 'npm prune' due to a known issue
https://github.com/npm/npm/issues/19356
You can silence this warning by updating to at least npm 5.7.1 in your package.json
https://devcenter.heroku.com/articles/nodejs-support#specifying-an-npm-version
-----> Build succeeded!
! This app may not specify any way to start a node process
https://devcenter.heroku.com/articles/nodejs-support#default-web-process-
type
-----> Discovering process types
Procfile declares types -> (none)
Default types for buildpack -> web
-----> Compressing...
Done: 45.7M
-----> Launching...
Released v3
https://tmdb-content-app.herokuapp.com/ deployed to Heroku