Roundcube Docker container

Start container
docker run --name=roundcube \
-e ROUNDCUBEMAIL_DEFAULT_HOST=imap.example.com \
-e ROUNDCUBEMAIL_SMTP_SERVER=smtp.example.com \
-e ROUNDCUBEMAIL_SMTP_PORT=993 \
-p 8080:80 \
-d roundcube/roundcubemail

# UI
http://SERVER_IP:8080/

Links
https://hub.docker.com/r/roundcube/roundcubemail/