1] Build Docker image
$ docker build -t custom_sqlserver_database .
2] Run Docker image
$ docker run -it -e SA_PASSWORD=Iqaluit900 -p 1433:1433 custom_sqlserver_database
3] Connect to database
$ sqlcmd -S localhost -U sa -Q "SELECT * FROM mydatabase.myschema.mytable"
Password: *******
id name
----------- --------------------------------------------------
(0 rows affected)