Nick Makes

Create an example for starting mongodb as a replica set

3

### Preflight checklist - [X] I could not find a solution in the existing issues, docs, nor discussions. - [X] I agree to follow this project's [Code of Conduct](https://github.com/ory/dockertest/blob/master/CODE_OF_CONDUCT.md). -...

First off... tremendous project here! It's been straightforward to get up and running so far, much appreciated. I was looking to try and install libs like `pandas` and `psycopg2` and...