我正在尝试在我的大学项目中使用react-native-web。
我已按照here步骤成功创建了react-native-web应用的开发版本。我想将我的应用程序部署到Heroku上，在搜索了很多问题之后，我仍然无法在Heroku上运行我的应用程序。它在启动后60秒后总是崩溃。
2018-02-24T19:19:44.376383+00:00 heroku[web.1]: Starting process with command `./node_modules/.bin/webpack-dev-server --inline --port 28330`
2018-02-24T19:19:49.667640+00:00 app[web.1]: Project is running at [1m[34mhttp://localhost:28330/[39m[22m
2018-02-24T19:19:49.668544+00:00 app[web.1]: webpack output is served from [1m[34m/[39m[22m
2018-02-24T19:20:02.082843+00:00 app[web.1]: Hash: [1m070ba25084e72482b7f3[39m[22m
2018-02-24T19:20:02.082868+00:00 app[web.1]: Version: webpack [1m3.11.0[39m[22m
2018-02-24T19:20:02.082871+00:00 app[web.1]: Time: [1m11923[39m[22mms
2018-02-24T19:20:02.082873+00:00 app[web.1]: [1mAsset[39m[22m [1mSize[39m[22m [1mChunks[39m[22m [1m[39m[22m [1m[39m[22m [1mChunk Names[39m[22m
2018-02-24T19:20:02.082874+00:00 app[web.1]: [1m[33mbundle.js[39m[22m [1m[33m2.35 MB[39m[22m [1m0[39m[22m [1m[32m[emitted][39m[22m [1m[33m[big][39m[22m main
2018-02-24T19:20:02.082877+00:00 app[web.1]: [2] [1m./node_modules/react/index.js[39m[22m 190 bytes {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082878+00:00 app[web.1]: [65] [1m./node_modules/react-native-web/dist/index.js[39m[22m 12.9 kB {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082880+00:00 app[web.1]: [122] [1mmulti (webpack)-dev-server/client?http://localhost:28330 ./index.web.js[39m[22m 40 bytes {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082882+00:00 app[web.1]: [123] [1m(webpack)-dev-server/client?http://localhost:28330[39m[22m 7.91 kB {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082884+00:00 app[web.1]: [124] [1m./node_modules/url/url.js[39m[22m 23.3 kB {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082885+00:00 app[web.1]: [131] [1m./node_modules/strip-ansi/index.js[39m[22m 161 bytes {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082887+00:00 app[web.1]: [133] [1m./node_modules/loglevel/lib/loglevel.js[39m[22m 7.86 kB {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082889+00:00 app[web.1]: [134] [1m(webpack)-dev-server/client/socket.js[39m[22m 1.08 kB {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082890+00:00 app[web.1]: [136] [1m(webpack)-dev-server/client/overlay.js[39m[22m 3.67 kB {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082892+00:00 app[web.1]: [141] [1m(webpack)/hot nonrecursive ^\.\/log$[39m[22m 170 bytes {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082893+00:00 app[web.1]: [143] [1m(webpack)/hot/emitter.js[39m[22m 77 bytes {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082895+00:00 app[web.1]: [145] [1m./index.web.js[39m[22m 380 bytes {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082897+00:00 app[web.1]: [243] [1m./node_modules/react-native-web/dist/exports/Vibration/index.js[39m[22m 796 bytes {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082899+00:00 app[web.1]: [283] [1m./node_modules/react-native-web/dist/exports/VirtualizedList/index.js[39m[22m 327 bytes {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082901+00:00 app[web.1]: [285] [1m./App.js[39m[22m 2.53 kB {[1m[33m0[39m[22m}[1m[32m [built][39m[22m
2018-02-24T19:20:02.082903+00:00 app[web.1]: + 271 hidden modules
2018-02-24T19:20:02.082911+00:00 app[web.1]: webpack: Compiled successfully.
2018-02-24T19:20:21.276101+00:00 heroku[web.1]: Error R10 (Boot timeout) -> Web process failed to bind to $PORT within 60 seconds of launch
2018-02-24T19:20:21.276101+00:00 heroku[web.1]: Stopping process with SIGKILL
2018-02-24T19:20:21.364850+00:00 heroku[web.1]: Process exited with status 137
2018-02-24T19:20:44.673361+00:00 heroku[web.1]: Error R10 (Boot timeout) -> Web process failed to bind to $PORT within 60 seconds of launch
2018-02-24T19:20:44.673652+00:00 heroku[web.1]: Stopping process with SIGKILL
2018-02-24T19:20:44.812657+00:00 heroku[web.1]: Process exited with status 137
2018-02-24T19:20:44.892098+00:00 heroku[web.1]: State changed from starting to crashed
有没有人能告诉我将react-native-web部署到Heroku的步骤？
感谢。