The video tutorial covers setting up Docker containers for MongoDB and Mongo Express, connecting to Mongo CLI, and using Mongo Express GUI for database management. It demonstrates creating databases and collections, inserting documents, and verifying data using both CLI and GUI. The tutorial emphasizes the use of official Docker images and custom-built images for the front end.

What is the significance of the '_id' field in a MongoDB document?

How can you find records in a specific collection using the Mongo shell?

What steps would you take to verify if a newly created database persists after restarting the containers?