import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

testing/docker/base-build/Dockerfile

@@ -0,0 +1,20 @@
+FROM          centos:centos6
+MAINTAINER    Jonas Finnemann Jensen <jopsen@gmail.com>
+
+# Run system setup script; this ensures taht the whole process
+# boils down to a single docker layer
+ADD           system-setup.sh   /tmp/system-setup.sh
+RUN           ["/tmp/system-setup.sh"]
+
+# Set variable normally configured at login, by the shells parent process, these
+# are taken from GNU su manual
+ENV           HOME          /home/worker
+ENV           SHELL         /bin/bash
+ENV           USER          worker
+ENV           LOGNAME       worker
+
+# Declare default working folder
+WORKDIR       /home/worker
+
+# Set a default command useful for debugging
+CMD ["/bin/bash", "--login"]