gistfile1.txt

apt-get update && \
apt-get install linux-headers-$(uname --kernel-release) && \
apt-get update && \
apt-get install wireguard -y && \
modprobe wireguard

mkdir -p /etc/wireguard/keys && \
cd /etc/wireguard/keys && \
umask 077 && \
wg genkey | tee privatekey | wg pubkey > publickey

private_key=$(cat privatekey)
public_key=$(cat publickey)

cat << EOF > /etc/wireguard/wg0.conf
[Interface]
PrivateKey = $private_key
Address = 192.168.66.1/32
ListenPort = 8999

[Peer]
PublicKey = $public_key
Endpoint = IP_ADDRESS:8999
AllowedIPs = 0.0.0.0/0
PersistentKeepalive = 25
EOF