I m building my own image FROM debian:8
main part of the build process is running an installation script which clones a repository from github.
Now in case that github repo was updated my build process still uses the existing layers when I run my
docker build which results into an identical image as outcome, doesn’t it?
Is there any way to force rebuilding existing layers so the installation script is being executed and therefore I actually have an updated image of the application I am want to run?
by default I only would get something new if the base image (debian:8 in my case) was updated and I pulled that before the
build I think