update parameters in server/frps.ini
dashboard_user = admin
dashboard_pwd = admin
privilege_token = 12345678
subdomain_host = frp.codz.me
build frp image
cd frp-docker-alpine
docker build -t laudukang/frp:latest --rm .
docker network create br0
cd server
docker-compose up -d
update firewall
ufw allow 7000
ufw allow 7500
ufw allow 6000:6010/tcp
ufw allow 6000:6010/udp
docker network create --driver=bridge --subnet=172.20.0.0/16 --gateway=172.20.0.1 br0