Basics

Core Docker Compose concepts: the compose file format, services, networks, volumes, environment variables, and the essential CLI commands.

📄️What is Docker Compose?

Understand the problem Docker Compose solves, the structure of a docker-compose.yml file, and the core commands for managing a multi-container stack.

Run an Express API and MongoDB together with one Compose file, wire them with env vars, and persist data through a named volume.