Add image

README.md

@@ -1,8 +1,26 @@
 # whoami multi-arch image
+
 [![Build status](https://ci.appveyor.com/api/projects/status/bhma7tmx0eje73ao/branch/master?svg=true)](https://ci.appveyor.com/project/StefanScherer/whoami/branch/master)
 [![Build Status](https://travis-ci.org/StefanScherer/whoami.svg?branch=master)](https://travis-ci.org/StefanScherer/whoami)
 [![This image on DockerHub](https://img.shields.io/docker/pulls/stefanscherer/whoami.svg)](https://hub.docker.com/r/stefanscherer/whoami/)
 
+## CI pipeline
+
+![CI pipeline with Travis and AppVeyor](images/pipeline.png)
+
+* AppVeyor CI
+  * Build Windows image for nanoserver 2016 SAC
+    * windows/amd64 10.0.14393.x
+  * Rebase this image to nanoserver:1709 SAC
+    * windows/amd64 10.0.16299.x
+* Travis CI
+  * Matrix build for several Linux architectures
+    * linux/amd64
+    * linux/arm
+    * linux/arm64
+  * Create and push the manifest list
+    * preview of `docker manifest` command
+
 ## Linux
 
 Simple HTTP docker service that prints it's container ID
@@ -23,4 +41,6 @@ Simple HTTP docker service that prints it's container ID
     $ (iwr http://$(docker inspect -f '{{ .NetworkSettings.Networks.nat.IPAddress }}' whoami):8080 -UseBasicParsing).Content
     I'm 736ab83847bb on windows/amd64
 
-Used for a first [swarm-mode demo](https://github.com/StefanScherer/docker-windows-box/tree/master/swarm-mode) with Windows containers.
+Used for a first
+[swarm-mode demo](https://github.com/StefanScherer/docker-windows-box/tree/master/swarm-mode)
+with Windows containers.