Shift sample inventory to be single file

Dockerfile-build

@@ -20,7 +20,7 @@ COPY . /ansible
 RUN \
  echo "**** running ansible ****" && \
  cd /ansible && \
- ansible-playbook -i inventory/all site.yml
+ ansible-playbook -i inventory site.yml
 
 # runtime stage
 FROM alpine:3.10

README.md

@@ -20,7 +20,7 @@ This is a seperate repo for now but will more than likely roll into the existing
 To generate, run:
 
 ```
-ansible-playbook -i inventory/all site.yml
+ansible-playbook -i inventory site.yml
 ```
 
 The build output will be located in /var/www/html on Debian OSs.