Extract single_doc route for single version documentations

README.md

@@ -90,10 +90,9 @@ You can define your main documentation url in a hash value (same way as in the v
 # config/initializers/swagger_ui_engine.rb
 
 SwaggerUiEngine.configure do |config|
-  config.swagger_url = 'api/v1/swagger.yaml'
+  config.swagger_url = 'api/swagger.yaml'
 end
 ```
-and place your main documentation file under `/public/api/v1` path. The `v1` filepath is required for single API documentation.
 
 ### Configure
 Config Name | Swagger parameter name | Description

app/controllers/swagger_ui_engine/swagger_docs_controller.rb

@@ -13,7 +13,7 @@ def oauth2
 
     def index
       # backward compatibility for defining single doc url in strings
-      redirect_to swagger_doc_path('v1') if single_doc_url?
+      redirect_to single_swagger_doc_path if single_doc_url?
       redirect_to swagger_doc_path(@swagger_url.keys.first) if single_doc_url_hash?
     end
 
@@ -22,6 +22,10 @@ def show
       @swagger_url = @swagger_url[params[:id].to_sym] unless single_doc_url?
     end
 
+    def single_doc
+      render 'show'
+    end
+
     private
 
     def set_configs

config/routes.rb

@@ -6,6 +6,7 @@
       end
     end
 
+    get 'single_swagger_doc', to: 'swagger_docs#single_doc', format: false
     root to: 'swagger_docs#index'
   end
 end