Glossary term
What is VM (Virtual Machine)?
VM stands for Virtual Machine.
A full virtual computer with its own OS. Example: An EC2 instance.
Learn it properly · System DesignLesson 55: Docker & Containers for Beginners“It works on my machine” ends here. What containers really are (and aren't), images, layers and registries, a production-grade multi-stage Dockerfile, running and composing containers locally, tags vs digests, and the security basics.