OTP service, providing the following functions:
- Get user binding QR code
- Get current verification code
- Check if the verification code is valid
cd docker
## start server
docker-compose up -d
## Generate a OTP key for root
http http://localhost:18181/key?name=root
## Get current OTP passcode for root
http http://localhost:18181/passcode?name=root
## Use the OTP passcode to login the server
ssh -p 10022 -i ./keys/id_rsa -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null root@localhost