doc

readme update

Author: lotharschulz

README.md

@@ -1,8 +1,10 @@
-# golang hello world 
+# hello go docker
 
 [![CircleCI](https://circleci.com/gh/lotharschulz/hellogodocker.svg?style=shield)](https://circleci.com/gh/lotharschulz/hellogodocker)
 
-## docker images with docker build pattern, docker cache and from scratch based dockerfile
+Docker images build with various `docker build` command flags.
+
+## docker images
 
 #### preconditions
 - [golang](https://golang.org/)
@@ -100,4 +102,4 @@ kubectl delete deploy,svc,po,rs -l app=hellogo
 ```
 
 #### blog post
-[let’s go build a minimal docker image](https://www.lotharschulz.info/2018/10/01/lets-go-build-a-minimal-docker-image/)
+[let’s go build a minimal docker image](https://www.lotharschulz.info/2018/10/01/lets-go-build-a-minimal-docker-image/)