# build
docker build . -t y-cruncher:v0.7.7.9500
# run
docker run -it y-cruncher:v0.7.7.9500 ./y-cruncher custom pi -dec:10000
or
# interactive
docker run -it y-cruncher:v0.7.7.9500 bash
$ ./y-cruncher custom pi -dec:10000
# see 100 decimal digits from head
$ head -c 100 "Pi - Dec - Chudnovsky.txt"