#!/bin/bash set -e TMPDIR="$(mktemp -d)" cp -v gencert.sh "${TMPDIR}/" pushd "${TMPDIR}" for DISTRO in alpine:3.4 alpine:3.7 ubuntu:bionic debian:stretch centos:7; do printf "\n\n\nTesting the script with ${DISTRO} ...\n\n\n" rm -vf openssl.cnf private.key public.crt ca.crt ca.key ca.srl docker run --rm -ti -v ${PWD}:/w -w /w ${DISTRO} sh gencert.sh --cn test.example.com --debug printf "\n\n\n" done popd echo "WARNING, I am going to remove ${TMPDIR} entirely in 5 seconds!" sleep 5 rm -rf "${TMPDIR}"