[pdftk](https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/): Tool for modifying pdfs.

Dockerfile

FROM centos
RUN yum  -y localinstall https://www.linuxglobal.com/static/blog/pdftk-2.02-1.el7.x86_64.rpm
WORKDIR /test
VOLUME ["/test"]

helper.sh

#!/bin/bash
#Instructions
#Run `chmod +x helper.sh`
# Move the pdf you want to edit to current dir
# `./helper.sh`
# Run `pdftk` commands For Eg: pdftk input.pdf cat <page-range>(like 1-4) output output.pdf
# exit

docker build -t pdftk ./ 
docker run  -v "$PWD":/test -it pdftk  bash