The Basics
What is Docker?
an open-source platform that allows developers to build, deploy, and run applications in lightweight, standardized environments called containers.
What is a Container?
an isolated environment that packages an application along with all its dependencies.
What is Docker Compose?
a tool that allows you to define and run multi-container applications using a single YAML file.
ExplanationWhat is Docker registery?
An image registry is a centralized location for storing and sharing your container images.
ExplanationWhat is a Docker Image?
An image is a static blueprint. It contains everything needed to create a running environment
What is a Dockerfile?
Docker
What is a Cgroup used for?
To limit and isolate the usage of different containers such as CPU usage.
ExplanationWhat is the Docker daemon?
The Docker daemon (dockerd) is the background service that does the actual work: building images, running containers, managing networks and volumes. It listens for API requests and carries them out.
ExplanationWhat are Volumes in Docker?
Volumes are persistent data stores for containers, created and managed by Docker.
Explanation