mkdir dockerfiles
cd dockerfiles

1) vi 1.sh
arg1=${1}
arg2=${2}
arg3=${3}
while true; do
echo "argument 1: $arg1"
echo "argument 2: $arg2"
echo "argument 3: $arg3"
sleep 1
done

2) vi Dockerfile
FROM ubuntu:latest
copy ./1.sh /
RUN chmod +x /1.sh
ENTRYPOINT ["/1.sh"]
CMD ["hai", "cybersecurity", "students"]

3)
sudo docker build -t script:1.0 "abs path to dockerfiles folder"

docker images


4)
docker run --name cont1 -d script:1.0
docker ps -a
docker exec -it (container_id) /bin/bash

5)
sh 1.sh Hello cybersecurity students