How to build docker image from github repository

Question

In official docs we can see:

# docker build github.com/creack/docker-firefox

It just works fine to me. docker-firefox is a reposit

Answer 1

One can use the following example which sets up a Centos 7 container for testing ORC file format. Make sure to escape the # sign:

$ docker build https://github.com/apache/orc.git\#:docker/centos7 -t orc-centos7