Does anyone know if there's a similarly great "missing introduction to containerization," but for a less CS oriented audience.

I'm currently trying to convince my team members that using a dockerised version of our internal django project is great for loads of reasons (portability and use in continuous integration being the main two I'm trying to sell on as our team is rapidly growing from 4 developers last year to 12 this year)

However, these reasons aren't resonating with them, since they're not seeing the cracks starting to form with the growing development team, and to them the project is working just fine on the server as is and the very simple CI is working just fine as is.

Are there good case studies or historical perspective that would help show how containerization may help as we grow even further over the next while?