Containers and virtual machines are often presented as competing technologies.
They are not.
They operate at different layers.
Virtual Machines
Virtual machines virtualize hardware.
Each VM includes:
Its own operating system
Dedicated resources
Strong isolation
They are ideal for:
Security boundaries
Multi-tenant environments
Legacy workloads
Containers
Containers virtualize the application runtime.
They:
Share the host operating system
Start quickly
Package application dependencies
They are ideal for:
Consistency across environments
Fast deployments
Scalable services
The Correct Mental Model
Virtual machines provide isolation.
Containers provide consistency.
Most real-world systems run containers inside virtual machines.
At InfraForgeLabs – DevOpsMind, this model is explained before tools are introduced.
At InfraForgeLabs – InfraForge, learners practice defining container-based infrastructure through structured template generation.
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