Env

mkdir l2tp
cd l2tp
vim vpn.env

VPN_IPSEC_PSK=secretkey
VPN_USER=hello
VPN_PASSWORD=hello
VPN_ADDL_USERS=hello1 hello2
VPN_ADDL_PASSWORDS=hello hello

docekr run

docker run \
    --name ipsec-vpn-server \
    --env-file ./vpn.env \
    --restart=always \
    -p 500:500/udp \
    -p 4500:4500/udp \
    -d --privileged \
    hwdsl2/ipsec-vpn-server

log

docker logs -f ipsec-vpn-server