Added workdir to ubuntu file, updated README

Dockerfile.ubuntu-16.04

@@ -8,4 +8,6 @@ RUN apt-get update \
       ansible \
     && apt-get autoclean
 
+WORKDIR /site
 
+CMD ["ansible-playbook", "--help"]

README.md

@@ -1,17 +1,19 @@
 # ansible-controller
 
-A fedora-based docker image for running ansible playbooks
+[![Build Status](https://drone.chmuul.net/api/badges/aal/ansible-controller/status.svg)](https://drone.chmuul.net/aal/ansible-controller)
 
-## Build the image
+A docker image for running ansible playbooks
 
-    docker build -t aal/ansible-controller .
+Available in two flavours:
 
-## Run ansible-controller
+* registry.chmuul.net/ansible-controller:ubuntu-16.04
+* registry.chmuul.net/ansible-controller:fedora-24
+
+## run ansible-controller
 
     docker run -it --rm \
         -v /path/to/site/:/site \
         -v /path/to/ansible-user-ssh/:/root/.ssh:ro \
         --tmpfs /root/.ansible \
-        aal/ansible-controller \
+        registry.chmuul.net/ansible-controller:ubuntu-16.04 \
         ansible-playbook site.yml
-

build.sh

@@ -1,7 +0,0 @@
-#!/bin/bash
-
-docker build -t registry.chmuul.net/ansible-controller:ubuntu-16.04 -f Dockerfile.ubuntu-16.04 ${@} .
-docker build -t registry.chmuul.net/ansible-controller:fedora-24 -f Dockerfile.fedora-24 ${@} .
-
-docker push registry.chmuul.net/ansible-controller:ubuntu-16.04
-docker push registry.chmuul.net/ansible-controller:fedora-24