This docker-compose.yml file is for running a mssql instance locally.
Clone this repo to a directory you want or just download this repo as zip
https://docs.docker.com/desktop/mac/install/
https://docs.docker.com/desktop/windows/install/
You can find it yourself, else get a windows or macos machine ;)
install the extension SQL Server from Microsoft.
Username: sa
Password: iDTyjZx7dRL4
note: this password is just a random password created to meet the password policy enforced by mssql. never use this in production just change it or add a digit or character.
Port: 1433
Host: localhost
or 127.0.0.1
or the host name you have chosen for your machine
Use a terminal and go to the directory containing the docker-compose.yml
from this repo and type in docker-compose up
or docker-compose up -d
if you don't want to see any output in your terminal.