Summary
Docker is a platform and tool that enables developers to build, package, distribute, and run applications within containers. Containers are lightweight, isolated environments that contain everything needed to run an application. Docker provides a standardized way to create, deploy, and manage these containers.
Docker is a tool for defining and running multi-container applications. It allows you to define the services, networks, and volumes in a YAML file. With this file, you can run your application and mount the current directory to the container's /app directory.