https://github.com/dani-garcia/vaultwarden

Basic run command:- 
docker run -d --name vaultwarden -v /vw-data/:/data/ --restart unless-stopped -p 80:80 vaultwarden/server:latest

with email support:-
https://github.com/dani-garcia/vaultwarden/wiki/SMTP-Configuration

docker run -d --name vaultwarden \
  -e SMTP_HOST=mail.lauriesummers.co.uk \
  -e SMTP_FROM=laurie3@lauriesummers.co.uk \
  -e SMTP_PORT=587 \
  -e SMTP_SECURITY=starttls \
  -e SMTP_USERNAME=laurie3.lauriesummers \
  -e SMTP_PASSWORD=2hillview2018! \
  -v /home/pi/Docker/vaultwarden/vw-data/:/data/ \
  -p 80:80 \
  vaultwarden/server:latest
    
I had to set SMTP_SECURITY=off to get this to work
    
    
    
TWO-STEP LOGIN Recovery code
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Your Bitwarden two-step login recovery code:

2NZS 6K2S EV2M VG56 6PE4 K5ZL Z5DF ONSS