Allow for Dockerfile to be named something else. Add a check to make sure Dockerfile is in the build context Add docs and a testcase Make -f relative to current dir, not build context
Allow for Dockerfile to be named something else.
Add a check to make sure Dockerfile is in the build context
Add docs and a testcase
Make -f relative to current dir, not build context

Signed-off-by: Doug Davis <ff3bde741799c0eff815b83a54eda3fc494df54f@us.ibm.com>

dnephin/cli,riyazdf/cli,Zebrilee/cli,e11137/cli,ashfall/cli,Zebrilee/cli,ashfall/cli,thaJeztah/cli,docker/cli,riyazdf/cli,cpuguy83/cli,cpuguy83/cli,dnephin/cli,allencloud/cli,e11137/cli,redpanda/cli,redpanda/cli,docker/cli,thaJeztah/cli,allencloud/cli