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.

What is the purpose of creating a Docker Compose file in this tutorial?

• To create a new Docker image

• To update Docker to the latest version

• To manage and run multiple containers simultaneously

• To delete existing Docker containers

Which version of Docker Compose is used in the tutorial?

• Version 3

• Version 4

• Version 2

• Version 1

What is the first service added to the Docker Compose file?

• Backend

• Front-end

• API

• Database

What port is the front-end service mapped to on the local machine?

• 3000

• 5050

• 8080

• 4000

What is the purpose of the 'build' instruction in the Docker Compose file?

• To map the network ports

• To set the environment variables

• To define the path to the Dockerfile for building custom images

• To specify the Docker image version