USER=root
GID=10000
LXC_ID=100
TARGET=/mnt/lxc_shares
DEST=/mnt/nas

pct exec ${LXC_ID} -- addgroup -g ${GID} lxc_shares
pct exec ${LXC_ID} -- adduser root lxc_shares
pct stop ${LXC_ID}
echo "mp0: ${TARGET}/,mp=${DEST},ro=1,shared=1" >> /etc/pve/lxc/${LXC_ID}.conf
pct start ${LXC_ID}