Sonarqube insatallation

I am trying to upgrade to sonarqube9.9.3 version using docker-compose file.Currently i am using sonarqube8.9.In this current version i first mount volume from sonarqube8.9 into host machine then using that volume i am trying to launch sonarqube9.9.3 version.There isno problem in this.When i use docker compose file which is mention here Installing from Docker | SonarQube Docs then start the container for db as well as sonarqube is showing invalid password for sonar user.How can i procced with this docker-compose file.
Anyone can help?
Thank you

Hey there.

Can you share your Docker compose file?