I am trying to restore a backup to a docker container that contains the sql server 2019 service. I am using Mac and for which I am using Azure Data Studio for the connection

Script in Azure Data Studio

RESTORE FILELISTONLY FROM DISK = 
  N'/var/opt/mssql/backup/FuelControlAndHourMeter-202244-8-37-54.bak'

Result

BackupDiskFile::OpenMedia: Backup device '/var/opt/mssql/backup/FuelControlAndHourMeter-202244-8-37-54.bak' failed to open. Operating system error 2(The system cannot find the file specified.).