Making this run

[jorisvercleyen]

Maybe this can help someone.

I had a little problem :)
The latest version does not run !

### Problem 1

Turns out the name has changed of mssql-server-linux:2017-latest.

Thanks for this repo btw ! Is very nice.

Error response from daemon: pull access denied for microsoft/mssql-server-linux, repository does not exist or may require 'docker login': denied: requested access to the resource is denied

Solution :

Replace
image: microsoft/mssql-server-linux:2017-latest
by
image: mcr.microsoft.com/mssql/server:2017-latest

in docker-compose.yml

### Problem 2
Unable to start Pos.Gateway

--> Error : using QoSOptions but no QosDelegatingHandlerDelegate

Solution:

Just remove all QosOptions in configuration.json