heroku 给了我不允许的方法

Question

新手上路，请多包涵

好的，所以我已经解决这个问题几个小时了，不知道如何解决这个问题，因为我只是一个新手。我正在学习 Colt Steele 的名为 WEBDEVBOOTCAMP 的 UDEMY 课程。在部署部分，每次我使用 Heroku 进行部署时，都会出现 “Method not allowed” 。我一直从头开始遵循柯尔特的方法，这就是为什么我想知道为什么会变成这样。

这些是我收到的 Heroku 日志：

 2017-08-07T21:45:10.990742+00:00 heroku[web.1]: Starting process with command `npm start`
2017-08-07T21:45:14.881336+00:00 app[web.1]:
2017-08-07T21:45:14.881350+00:00 app[web.1]: > v1@1.0.0 start /app
2017-08-07T21:45:14.881352+00:00 app[web.1]:
2017-08-07T21:45:14.881351+00:00 app[web.1]: > node app.js
2017-08-07T21:45:16.594550+00:00 app[web.1]: Warning: connect.session() MemoryStore is not
2017-08-07T21:45:16.594555+00:00 app[web.1]: designed for a production
environment, as it will leak
2017-08-07T21:45:16.594556+00:00 app[web.1]: memory, and will not scale past a single process.
2017-08-07T21:45:16.610398+00:00 app[web.1]: (node:17) DeprecationWarning: `open()` is deprecated in mongoose >= 4.11.0, use `openUri()` instead, or set the `useMongoClient` option if using `connect()` or `createConnection()`. See http://mongoosejs.com/docs/connections.html#use-mongo-client
2017-08-07T21:45:16.612243+00:00 app[web.1]: The Yelp Camp Server is up!
2017-08-07T21:45:16.665653+00:00 app[web.1]: Db.prototype.authenticate method will no longer be available in the next major release 3.x as MongoDB 3.6 will only allow auth against users in the admin db and will no longer allow multiple credentials on a socket. Please authenticate using MongoClient.connect with auth credentials.
2017-08-07T21:45:16.914410+00:00 heroku[web.1]: State changed from starting to up
2017-08-07T21:54:00.075655+00:00 app[api]: Starting process with command `ls` by user lao_tabudlong@yahoo.com
2017-08-07T21:54:03.051279+00:00 heroku[run.4055]: Awaiting client
2017-08-07T21:54:03.090885+00:00 heroku[run.4055]: Starting process with command `ls`
2017-08-07T21:54:03.268924+00:00 heroku[run.4055]: State changed from starting to up
2017-08-07T21:54:08.289699+00:00 heroku[run.4055]: Process exited with status 0
2017-08-07T21:54:08.303853+00:00 heroku[run.4055]: State changed from up to complete
2017-08-07T22:16:51.093190+00:00 heroku[web.1]: Idling
2017-08-07T22:16:51.093810+00:00 heroku[web.1]: State changed from up to down
2017-08-07T22:16:52.026960+00:00 heroku[web.1]: Stopping all processes with SIGTERM
2017-08-07T22:16:52.187881+00:00 heroku[web.1]: Process exited with status 143
2017-08-07T22:38:33.000000+00:00 app[api]: Build started by user lao_tabudlong@yahoo.com
2017-08-07T22:38:44.152229+00:00 heroku[web.1]: State changed from down to starting
2017-08-07T22:38:43.802847+00:00 app[api]: Deploy 8174904f by user lao_tabudlong@yahoo.com
2017-08-07T22:38:43.802847+00:00 app[api]: Release v5 created by user lao_tabudlong@yahoo.com
2017-08-07T22:38:33.000000+00:00 app[api]: Build succeeded
2017-08-07T22:38:45.764651+00:00 heroku[web.1]: Starting process with command `npm start`
2017-08-07T22:38:48.251552+00:00 app[web.1]:
2017-08-07T22:38:48.251586+00:00 app[web.1]: > yelpcamp@1.0.0 start /app
2017-08-07T22:38:48.251586+00:00 app[web.1]: > node app.js
2017-08-07T22:38:48.251587+00:00 app[web.1]:
2017-08-07T22:38:49.001981+00:00 app[web.1]: Warning: connect.session() MemoryStore is not
2017-08-07T22:38:49.001994+00:00 app[web.1]: designed for a production environment, as it will leak
2017-08-07T22:38:49.001995+00:00 app[web.1]: memory, and will not scale past a single process.
2017-08-07T22:38:49.018239+00:00 app[web.1]: (node:17) DeprecationWarning: `open()` is deprecated in mongoose >= 4.11.0, use `openUri()` instead, or set the `useMongoClient` option if using `connect()` or `createConnection()`. See http://mongoosejs.com/docs/connections.html#use-mongo-client
2017-08-07T22:38:49.020061+00:00 app[web.1]: The Yelp Camp Server is up!
2017-08-07T22:38:49.043200+00:00 app[web.1]: Db.prototype.authenticate method will no longer be available in the next major release 3.x as MongoDB 3.6 will only allow auth against users in the admin db and will no longer allow multiple credentials on a socket. Please authenticate using MongoClient.connect with auth credentials.
2017-08-07T22:38:49.214038+00:00 heroku[web.1]: State changed from starting to up
2017-08-07T23:10:56.925104+00:00 heroku[web.1]: Idling
2017-08-07T23:10:56.925706+00:00 heroku[web.1]: State changed from up to down
2017-08-07T23:10:58.007504+00:00 heroku[web.1]: Stopping all processes with SIGTERM
2017-08-07T23:10:58.359969+00:00 heroku[web.1]: Process exited with status 143
2017-08-08T04:47:35.000000+00:00 app[api]: Build started by user lao_tabudlong@yahoo.com
2017-08-08T04:47:45.285929+00:00 heroku[web.1]: State changed from down to starting
2017-08-08T04:47:35.000000+00:00 app[api]: Build succeeded
2017-08-08T04:47:45.069248+00:00 app[api]: Release v6 created by user lao_tabudlong@yahoo.com
2017-08-08T04:47:45.069248+00:00 app[api]: Deploy f14ef4fc by user lao_tabudlong@yahoo.com
2017-08-08T04:47:46.628278+00:00 heroku[web.1]: Starting process with command `npm start`
2017-08-08T04:47:48.774464+00:00 app[web.1]:
2017-08-08T04:47:48.774484+00:00 app[web.1]: > yelpcamp@1.0.0 start /app
2017-08-08T04:47:48.774485+00:00 app[web.1]: > node app.js
2017-08-08T04:47:48.774486+00:00 app[web.1]:
2017-08-08T04:47:49.444240+00:00 app[web.1]: Warning: connect.session() MemoryStore is not
2017-08-08T04:47:49.444256+00:00 app[web.1]: designed for a production environment, as it will leak
2017-08-08T04:47:49.444256+00:00 app[web.1]: memory, and will not scale past a single process.
2017-08-08T04:47:49.454406+00:00 app[web.1]: (node:17) DeprecationWarning: `open()` is deprecated in mongoose >= 4.11.0, use `openUri()` instead, or set the `useMongoClient` option if using `connect()` or `createConnection()`. See http://mongoosejs.com/docs/connections.html#use-mongo-client
2017-08-08T04:47:49.455893+00:00 app[web.1]: The Yelp Camp Server is up!
2017-08-08T04:47:49.472576+00:00 app[web.1]: Db.prototype.authenticate method will no longer be available in the next major release 3.x as MongoDB 3.6 will only allow auth against users in the admin db and will no longer allow multiple credentials on a socket. Please authenticate using MongoClient.connect with auth credentials.
2017-08-08T04:47:49.919585+00:00 heroku[web.1]: State changed from starting to up
2017-08-08T05:21:42.640479+00:00 heroku[web.1]: Idling
2017-08-08T05:21:42.641117+00:00 heroku[web.1]: State changed from up to down
2017-08-08T05:21:43.112034+00:00 heroku[web.1]: Stopping all processes with SIGTERM
2017-08-08T05:21:43.397138+00:00 heroku[web.1]: Process exited with status 143
2017-08-08T05:35:24.000000+00:00 app[api]: Build started by user lao_tabudlong@yahoo.com
2017-08-08T05:35:34.046061+00:00 app[api]: Release v7 created by user lao_tabudlong@yahoo.com
2017-08-08T05:35:34.046061+00:00 app[api]: Deploy 52579a31 by user lao_tabudlong@yahoo.com
2017-08-08T05:35:34.347211+00:00 heroku[web.1]: State changed from down to starting
2017-08-08T05:35:24.000000+00:00 app[api]: Build succeeded
2017-08-08T05:35:36.040512+00:00 heroku[web.1]: Starting process with command `npm start`
2017-08-08T05:35:38.881422+00:00 app[web.1]:
2017-08-08T05:35:38.881446+00:00 app[web.1]: > yelpcamp@1.0.0 start /app
2017-08-08T05:35:38.881447+00:00 app[web.1]: > node app.js
2017-08-08T05:35:38.881448+00:00 app[web.1]:
2017-08-08T05:35:39.981312+00:00 heroku[web.1]: State changed from starting to up
2017-08-08T05:35:39.914694+00:00 app[web.1]: Warning: connect.session() MemoryStore is not
2017-08-08T05:35:39.914717+00:00 app[web.1]: designed for a production environment, as it will leak
2017-08-08T05:35:39.914718+00:00 app[web.1]: memory, and will not scale past a single process.
2017-08-08T05:35:39.932988+00:00 app[web.1]: (node:17) DeprecationWarning: `open()` is deprecated in mongoose >= 4.11.0, use `openUri()` instead, or set the `useMongoClient` option if using `connect()` or `createConnection()`. See http://mongoosejs.com/docs/connections.html#use-mongo-client
2017-08-08T05:35:39.935319+00:00 app[web.1]: The Yelp Camp Server is up!
2017-08-08T05:35:39.967512+00:00 app[web.1]: Db.prototype.authenticate method will no longer be available in the next major release 3.x as MongoDB 3.6 will only allow auth against users in the admin db and will no longer allow multiple credentials on a socket. Please authenticate using MongoClient.connect with auth credentials.
2017-08-08T05:49:20.000000+00:00 app[api]: Build started by user lao_tabudlong@yahoo.com
2017-08-08T05:49:31.423119+00:00 heroku[web.1]: Restarting
2017-08-08T05:49:31.425641+00:00 heroku[web.1]: State changed from up to starting
2017-08-08T05:49:31.128129+00:00 app[api]: Deploy 98890a0e by user lao_tabudlong@yahoo.com
2017-08-08T05:49:31.128129+00:00 app[api]: Release v8 created by user lao_tabudlong@yahoo.com
2017-08-08T05:49:32.024642+00:00 heroku[web.1]: Stopping all processes with SIGTERM
2017-08-08T05:49:32.234319+00:00 heroku[web.1]: Process exited with status 143
2017-08-08T05:49:20.000000+00:00 app[api]: Build succeeded
2017-08-08T05:49:33.865572+00:00 heroku[web.1]: Starting process with command `npm start`
2017-08-08T05:49:36.912525+00:00 app[web.1]:
2017-08-08T05:49:36.912549+00:00 app[web.1]: > yelpcamp@1.0.0 start /app
2017-08-08T05:49:36.912550+00:00 app[web.1]: > node app.js
2017-08-08T05:49:36.912550+00:00 app[web.1]: `enter code here`
2017-08-08T05:49:38.250325+00:00 app[web.1]: Warning: connect.session() MemoryStore is not
2017-08-08T05:49:38.250352+00:00 app[web.1]: designed for a production environment, as it will leak
2017-08-08T05:49:38.250353+00:00 app[web.1]: memory, and will not scale past a single process.
2017-08-08T05:49:38.270747+00:00 app[web.1]: (node:17) DeprecationWarning: `open()` is deprecated in mongoose >= 4.11.0, use `openUri()` instead, or set the `useMongoClient` option if using `connect()` or `createConnection()`. See http://mongoosejs.com/docs/connections.html#use-mongo-client
2017-08-08T05:49:38.273329+00:00 app[web.1]: The Yelp Camp Server is up!
2017-08-08T05:49:38.314596+00:00 app[web.1]: Db.prototype.authenticate method will no longer be available in the next major release 3.x as MongoDB 3.6 will only allow auth against users in the admin db and will no longer allow multiple credentials on a socket. Please authenticate using MongoClient.connect with auth credentials.
2017-08-08T05:49:38.342241+00:00 heroku[web.1]: State changed from starting to up