improvement: ignore exit codes during docker builds

as puppet react with non-zero exit codes on warnings, this may get in the way of building examples and debugging later on. always finish building the image to make it available

Signed-off-by: Dominik Richter <[email protected]>

Dockerfile

@@ -12,7 +12,7 @@ RUN apt-get -y install puppet
 ADD . /hardening
 
 # run puppet
-RUN puppet apply -v -d --detailed-exitcodes --modulepath=/hardening/modules /hardening/manifests/docker.pp
+RUN sh -c 'puppet apply -v -d --detailed-exitcodes --modulepath=/hardening/modules /hardening/manifests/docker.pp; exit 0'
 
 # simple command to get into the box
 CMD /bin/bash