Install alpine PDF printer

install-printer.sh

#!/bin/bash
# run with:
# curl -sSL https://gist.githubusercontent.com/gamma/a089aed5277cc727f9ccee01c4f8d1c6/raw | sh --

# Add testing repo 
echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories

# Install cups
apk add cups cups-libs cups-pdf@testing cups-client cups-filters hplip@testing

# Add user root to group lpadmin
addgroup root lpadmin

# run cups
cupsd

# add PDF printer as default
lpadmin -p cups-pdf -v cups-pdf:/ -E -P /usr/share/ppd/cups-pdf/cups-pdf.ppd && lpadmin -d cups-pdf

ps xo pid,command | grep exitcode | grep -v grep | awk '{print $1}' | xargs -r kill -TERM