Run the container like this:
docker run -i -t -v /some/local/path:/data tvheadend-build
You will find resulting *.deb files in /some/local/path
Dockerfile that will build the latest tvheadend from HEAD and spit out *.deb files for Ubuntu 14.04
Shell
Run the container like this:
docker run -i -t -v /some/local/path:/data tvheadend-build
You will find resulting *.deb files in /some/local/path