removed the workdir

Dockerfile.alpine-3

@@ -2,6 +2,4 @@ FROM alpine:3.4
 
 RUN apk add --no-cache ansible
 
-WORKDIR /site
-
 CMD ["ansible-playbook", "--help"]

Dockerfile.debian-8

@@ -12,6 +12,4 @@ RUN apt-get -q update \
     && pip install --quiet --upgrade \
       ansible
 
-WORKDIR /site
-
 CMD ["ansible-playbook", "--help"]

Dockerfile.fedora-24

@@ -5,6 +5,4 @@ RUN dnf -y install \
     openssh-clients \
   && dnf clean all
 
-WORKDIR /site
-
 CMD ["ansible-playbook", "--help"]

Dockerfile.ubuntu-16.04

@@ -9,6 +9,4 @@ RUN apt-get update \
       ansible \
     && apt-get autoclean
 
-WORKDIR /site
-
 CMD ["ansible-playbook", "--help"]

README.md

@@ -12,6 +12,7 @@ Available with four image tags:
 ## run ansible
 
     docker run -it --rm \
+        -w /site \
         -v /path/to/site/:/site \
         -v /path/to/ansible-user-ssh/:/root/.ssh:ro \
         --tmpfs /root/.ansible \