alpine-proxmox-setup.sh

#!/bin/sh

hostname="$1"
username="${DOAS_USER}${SUDO_USER}"

[ "$(id -u)" -ne 0 ] && echo "Must be root to run"  && exit 1
[ -z "$hostname" ]   && echo "Usage: $0 <hostname>" && exit 1

# add community repo
sed '/community/ {s/^#//; q;}' /etc/apk/repositories > /tmp/tempfile && mv /tmp/tempfile /etc/apk/repositories

# set hostname
echo "$hostname" > /etc/hostname
hostname -F /etc/hostname

# install packages
apk update
apk add docker docker-compose avahi qemu-guest-agent

# start docker
rc-update add docker default
rc-service docker start

# give user docker permission
addgroup "$username" docker

# start avahi
rc-update add avahi-daemon
rc-service avahi-daemon start

# start qemu-guest-agent (for Proxmox)
rc-update add qemu-guest-agent
rc-service qemu-guest-agent start