Merge pull request #97 from achew22/documentation

Add documentation for using Swagger

README.md

@@ -168,6 +168,16 @@ Make sure that your `$GOPATH/bin` is in your `$PATH`.
    }
    ```
 
+7. (Optional) Generate swagger definitions
+
+   ```sh
+   protoc -I/usr/local/include -I. \
+     -I$GOPATH/src \
+     -I$GOPATH/src/github.com/gengo/grpc-gateway/third_party/googleapis \
+     --grpc-swagger_out=logtostderr=true:. \
+     path/to/your_service.proto
+   ```
+
 ## More Examples
 More examples are available under `examples` directory.
 * `examplepb/echo_service.proto`, `examplepb/a_bit_of_everything.proto`: service definition
@@ -184,12 +194,12 @@ More examples are available under `examples` directory.
 * Method parameters in query string
 * Mapping streaming APIs to JSON streams
 * Mapping HTTP headers with `Grpc-Metadata-` prefix to gRPC metadata
+* Optionally emitting API definition for [Swagger](http://swagger.io).
 
 ### Want to support
 But not yet.
 * bytes and enum fields in path parameter. #5
 * Optionally generating the entrypoint. #8
-* Optionally emitting API definition for [Swagger](http://swagger.io). #9
 
 ### No plan to support
 But patch is welcome.