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Update rails reloading instructions in README #1767

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Update rails reloading instructions in README #1767

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15 changes: 5 additions & 10 deletions README.md
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Expand Up @@ -316,22 +316,15 @@ run Rack::Cascade.new [API, Web]

### Rails

Place API files into `app/api`. Rails expects a subdirectory that matches the name of the Ruby module and a file name that matches the name of the class. In our example, the file name location and directory for `Twitter::API` should be `app/api/twitter/api.rb`.

Modify `application.rb`:

```ruby
config.paths.add File.join('app', 'api'), glob: File.join('**', '*.rb')
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Feels like we should leave this for older versions? Maybe just make sections

#### Rails 5.2 or Newer
...

#### Rails 4.0

?

config.autoload_paths += Dir[Rails.root.join('app', 'api', '*')]
```
Place API files into `app/api`. Rails expects a subdirectory that matches the name of the Ruby module and a file name that matches the name of the class. In our example, the file name location and directory for `Twitter::API` should be `app/api/twitter/api.rb`. API changes in development will be picked up automatically.

Modify `config/routes`:

```ruby
mount Twitter::API => '/'
```

See [below](#reloading-api-changes-in-development) for additional code that enables reloading of API changes in development.
For Rails < 5.2, See [below](#reloading-api-changes-in-development) for additional code that enables reloading of API changes in development.

### Modules

Expand Down Expand Up @@ -3412,7 +3405,9 @@ Use [grape-reload](https://github.com/AlexYankee/grape-reload).

### Reloading in Rails Applications

Add API paths to `config/application.rb`.
In Rails >= 5.2, reloading should work without any modification.

For Rails <5.2, add API paths to `config/application.rb`.

```ruby
# Auto-load API and its subdirectories
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