Docker VPN server

docker-vpn-setup.sh

ufw allow 500/udp
ufw allow 4500/udp
git clone https://github.com/hwdsl2/docker-ipsec-vpn-server.git
cd docker-ipsec-vpn-server
docker build -t hwdsl2/ipsec-vpn-server .
cp vpn.env.example vpn.env
# generate psk and password
head /dev/urandom | tr -dc A-Za-z0-9 | head -c 13 ; echo ''
vim vpn.env
docker run \
  --name ipsec-vpn-server \
  --env-file ./vpn.env \
  --restart=always \
  -p 500:500/udp \
  -p 4500:4500/udp \
  -v /lib/modules:/lib/modules:ro \
  -d --privileged \
  hwdsl2/ipsec-vpn-server