Update README.md

Author: gp187

README.md

@@ -1,6 +1,14 @@
-# docker-bee11-dev
+# Bee11 Nest
 
-#### Run
+Docker image for Nest CLI to use as build container.
+
+Currently this image uses node 12 (npm 6) and node:lts-slim as base distribution.
+
+## Example usage 
+
+To run the Nest CLI development server from docker you need to map the port.
+For example use
 ```
-docker -v "$PWD":/app
+cd MyDemo
+docker run -u $(id -u) --rm -p 3010:3010 -v "$PWD":/app naologic/bee11-dev-docker npm run start:dev
 ```