Containers
1. Containers
Infrastructure as a service, or IS, lets users share compute resources with other developers by using virtual machines to virtualize the hardware. This lets each developer deploy their own operating system, access the hardware, and build their applications in a self-contained environment with access to the necessary system resources. Containers follow the same principle as virtual machines. They provide isolated environments to run software services and optimize resources from one piece of hardware. However, they're even more efficient. The key difference between virtual machines and containers is that virtual machines virtualize an entire machine down to the hardware layers. Whereas containers only virtualize software layers above the operating system level. Containers start faster and use a fraction of the memory compared to booting an entire operating system. A container is packaged with your application and all of its dependencies, so it has everything it needs to run. Containers can be independently developed, tested, and deployed, and are well suited for a microservices based architecture. This architecture is made up of smaller individual services that run containerized applications, that communicate with each other through APIs or other lightweight communication methods, such as REST or gRPC. Containers let developers create predictable environments isolated from other system resources. So if a customer asks for a new feature or a change in the application, developers can easily make an update to that particular part of the application without affecting the REST. Containers can run virtually and anywhere, which makes development and deployment easy.2. Let's practice!
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