The Complete Practical Docker Guide - Adding Mongo and mongo-express Services to the docker-compose File

The video tutorial guides viewers through setting up Mongo and Mongo Express services using Docker Compose. It covers copying service configurations, adjusting settings, and ensuring proper internal communication between services. The tutorial emphasizes the importance of not exposing Mongo to the outside world and using Docker's internal DNS for service communication. It concludes with adding dependencies to ensure proper service startup order.

What adjustments need to be made to the environment variables for Mongo and Mongo Express?

Why is it unnecessary to expose Mongo to the outside world?