Update README.md

README.md

@@ -1,2 +1,21 @@
 # mruv-api-placeholder
 Implementation of MruV API server with placeholder data.
+
+## How to run?
+- **With docker:** 
+``` docker-compose up ```
+- **With go** 
+``` go run main.go ```
+
+## How to build?
+Just simple type:
+```
+go buid
+```
+In project root directory.
+
+## Configuration
+You can configure this app by environment variables:
+- HOST - host on which you want to serve API
+- GRPC_PORT - port on which you want to serve gRPC API
+- HTTP_PORT - port on which you want to serve gRPC-gateway REST API translation