我尝试将项目部署到Heroku时遇到了一些麻烦，它在本地工作，但在Heroku上，有一条消息“应用程序错误”。我很感激任何指导或支持，以了解我做得不好。
到目前为止，我看到构建似乎没有任何问题，但尝试访问网络，这是致命的。
Github上： https://github.com/gpincheiraa/angularjs-tdd-jest/tree/heroku_deploy
网络： https://still-plains-66291.herokuapp.com/
这是错误日志
2017-10-28T00:04:11.032366+00:00 heroku[web.1]: Starting process with command `node start`
2017-10-28T00:04:12.859627+00:00 app[web.1]: module.js:515
2017-10-28T00:04:12.859643+00:00 app[web.1]: throw err;
2017-10-28T00:04:12.859644+00:00 app[web.1]: ^
2017-10-28T00:04:12.859644+00:00 app[web.1]:
2017-10-28T00:04:12.859645+00:00 app[web.1]: Error: Cannot find module '/app/start'
2017-10-28T00:04:12.859646+00:00 app[web.1]: at Function.Module._resolveFilename (module.js:513:15)
2017-10-28T00:04:12.859646+00:00 app[web.1]: at Function.Module._load (module.js:463:25)
2017-10-28T00:04:12.859647+00:00 app[web.1]: at Function.Module.runMain (module.js:653:10)
2017-10-28T00:04:12.859647+00:00 app[web.1]: at startup (bootstrap_node.js:187:16)
2017-10-28T00:04:12.859647+00:00 app[web.1]: at bootstrap_node.js:608:3
2017-10-28T00:04:12.914674+00:00 heroku[web.1]: Process exited with status 1
2017-10-28T00:04:12.926370+00:00 heroku[web.1]: State changed from starting to crashed
2017-10-28T00:04:12.928677+00:00 heroku[web.1]: State changed from crashed to starting
2017-10-28T00:04:17.672129+00:00 heroku[web.1]: Starting process with command `node start`
2017-10-28T00:04:19.618524+00:00 app[web.1]: module.js:515
2017-10-28T00:04:19.618541+00:00 app[web.1]: throw err;
2017-10-28T00:04:19.618542+00:00 app[web.1]: ^
2017-10-28T00:04:19.618543+00:00 app[web.1]:
2017-10-28T00:04:19.618544+00:00 app[web.1]: Error: Cannot find module '/app/start'
2017-10-28T00:04:19.618545+00:00 app[web.1]: at Function.Module._resolveFilename (module.js:513:15)
2017-10-28T00:04:19.618546+00:00 app[web.1]: at Function.Module._load (module.js:463:25)
2017-10-28T00:04:19.618547+00:00 app[web.1]: at startup (bootstrap_node.js:187:16)
2017-10-28T00:04:19.618546+00:00 app[web.1]: at Function.Module.runMain (module.js:653:10)
2017-10-28T00:04:19.618548+00:00 app[web.1]: at bootstrap_node.js:608:3
2017-10-28T00:04:19.695816+00:00 heroku[web.1]: State changed from starting to crashed
2017-10-28T00:04:19.681446+00:00 heroku[web.1]: Process exited with status 1
构建日志
-----> Node.js app detected
-----> Creating runtime environment
NPM_CONFIG_LOGLEVEL=error
NPM_CONFIG_PRODUCTION=false
NODE_VERBOSE=false
NODE_ENV=development
NODE_MODULES_CACHE=true
-----> Installing binaries
engines.node (package.json): >=8.4.0
engines.npm (package.json): unspecified (use default)
Resolving node version >=8.4.0...
Downloading and installing node 8.8.1...
Detected package-lock.json: defaulting npm to version 5.x.x
Bootstrapping npm 5.x.x (replacing 5.4.2)...
npm 5.5.1 installed
-----> Restoring cache
Loading 2 from cacheDirectories (default):
- node_modules
- bower_components (not cached - skipping)
-----> Building dependencies
Installing node modules (package.json + package-lock)
> angularjs-tdd-jest@0.5.0 postinstall /tmp/build_47259e9fbff603f69b77278096c651b4/glabrat-angularjs-tdd-jest-1d7f548
> NODE_ENV=development webpack -p --config webpack.dev.js --progress
Hash: 53ea942157bbfc80ca9c
Version: webpack 3.8.1
Time: 4039ms
Asset Size Chunks Chunk Names
index.bundle.js 4.53 MB 0 [emitted] [big] app
[52] ./src/index.js 719 bytes {0} [built]
[54] ./src/routes.js 607 bytes {0} [built]
[57] (webpack)/buildin/global.js 488 bytes {0} [built]
[82] ./src/services/todo.service.js 1.36 kB {0} [built]
+ 79 hidden modules
added 115 packages in 14.844s
-----> Caching build
Clearing previous node cache
Saving 2 cacheDirectories (default):
- node_modules
- bower_components (nothing to cache)
-----> Build succeeded!
-----> Discovering process types
Procfile declares types -> web
-----> Compressing...
Done: 47M
-----> Launching...
Released v10
https://still-plains-66291.herokuapp.com/ deployed to Heroku