Added a Dockerfile for a custom Che stack.

Dockerfile.cmake

@@ -0,0 +1,30 @@
+# Start with an image that we know works with Che
+FROM registry.centos.org/che-stacks/centos-stack-base
+
+MAINTAINER Doug Tidwell <[email protected]> 
+
+# Run yum update for good system hygiene
+RUN sudo yum -y update && \
+
+# The next few lines fix a security issue 
+    sudo yum -y install kernel-headers && \
+    sudo rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org && \
+    sudo rpm -Uvh http://elrepo.org/linux/kernel/el7/x86_64/RPMS/elrepo-release-7.0-3.el7.elrepo.noarch.rpm && \
+    sudo yum --enablerepo=elrepo-kernel -y install kernel-ml && \
+    sudo yum --enablerepo=elrepo-kernel -y swap kernel-headers -- kernel-ml-headers && \
+
+# Now install the tools and libraries we'll need 
+    sudo yum -y install centos-release-scl gcc gcc-c++ make libedit-devel python-yaml curl java-1.8.0-openjdk-devel && \
+
+# Finally, get the source code for cmake, build it, and create a symlink to it
+    cd /usr/local/bin && \
+    sudo curl -O https://cmake.org/files/v3.8/cmake-3.8.0.tar.gz && \
+    sudo tar -xf cmake-3.8.0.tar.gz && \
+    sudo rm cmake-3.8.0.tar.gz && \
+    cd cmake-3.8.0 && \
+    sudo ./bootstrap && \
+    sudo make && \
+    sudo ln -s /usr/local/bin/cmake-3.8.0/bin/cmake /usr/local/bin/cmake 
+
+# The standard command to keep the container running
+CMD tail -f /dev/null 

README.md

@@ -1,10 +1,8 @@
 # podman-demo
 
-This repo is nothing more than a `Dockerfile` that podman can use to build
-an image. The point of this demo is to illustrate that podman can create
+This repo is turning into a collection of `Dockerfile`s 
+that `podman` can use to build
+an image. The point is to illustrate that podman can create
 Docker-compatible images that conform to the Open Container Initiative (OCI)
 image format.
 
-The `Dockerfile` is built with Fedora / `dnf` in mind. If you're using CentOS
-or RHEL or some other Linux distro, you'll may have to modify the `Dockerfile`
-for your platform.