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Rajesh Joshi
Rajesh Joshi

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Bare Metal vs VM vs Containers? 🤔

Imagine you want to rent a house. You have three options:

  • Bare Metal (Owning the House): You buy the entire house. You have full control over everything, from the foundation to the roof.

  • Virtual Machine (Renting the Whole House): You rent the entire house. You can use it as you like, but you don't own it.

  • Container (Renting a Room): You rent a single room within the house. You have limited control, but it's more affordable and flexible.


Let's apply this to technology:

  • Bare Metal: A physical server with its own hardware (CPU, RAM, storage). It offers maximum control and performance but is expensive to manage and scale.

  • Virtual Machine (VM): Software that creates a virtual environment on a physical server. Each VM runs on top of a hypervisor, which is a piece of software that emulates the hardware of a computer. Multiple VMs can run on the same server, sharing resources. VMs are more flexible and cost-effective than bare metal, but they can be less performant.

  • Container: A lightweight unit of software that packages an application and its dependencies. Each container runs on top of a container engine, which is a piece of software that emulates the operating system of a computer. Containers are smaller, faster, and more portable than VMs. They are ideal for microservices architecture and cloud-native applications.


Which one to choose?

  • Bare Metal: If you need maximum control, performance, and security, bare metal is the way to go.

  • VM: If you need flexibility, cost-effectiveness, and isolation, VMs are a good option.

  • Containers: If you need portability, scalability, and efficiency, containers are the best choice.


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Happy Coding 🤓

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