#!/bin/bash
set -Eeuo pipefail

echo "----- install prerequisite packages -----"
apk update --quiet
apk add --quiet sudo bash sudo netcat-openbsd curl curl-dev build-base libidn2 libffi-dev libxml2-dev libxml2-utils openssl-dev python3 python3-dev py3-pip cargo squid jq
sudo squid -k shutdown || true
sudo rm -v /dev/shm/squid*.shm >/dev/null 2>&1 || true