https://hub.docker.com/r/devopsifyinc/okapi/
docker run -it devopsifyinc/okapi bash
/convert_runtime 09article < /home/okapi/input/Chem_para_1000.exch
./ix1 -mem 500 -delfinal -doclens 09article 0 | ./ixf 09article 0
source environmentSettings.bshrc
cd $OKAPI_JAVABIN
java searching