The Complete Practical Docker Guide - Creating a Basic docker-compose File

The video tutorial guides viewers through creating and using a Docker Compose file to manage multiple containers. It starts with stopping existing containers, then creating a Docker Compose YAML file in the project root. The tutorial explains how to define services, build custom images, and map ports. Finally, it demonstrates running the containers using Docker Compose.

Explain the significance of the 'build' keyword in the context of the Docker compose file.

What ports are mapped for the front end and API services in the Docker compose file?