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At the heart of the Cloud Native recipe is the shift to a ‘containerized microservices’ application architecture
Jan. 28, 2016 03:00 PM
Microservice Containers and Multi-Platform Development
At the heart of the Cloud Native recipe is the shift to a ‘containerized microservices’ application architecture.
This is a pretty fundamental shift in IT habits, embracing both the Docker-inspired container technology wave as well as a holistic transformation of how software is built too. So how do the two relate, what is the connection between employing containers for deployment and microservices for architecture?
He makes the point that because microservices are intended to deliver one specific business function via minimal resource requirements, those requirements can be met in an optimized fashion through delivering them via a Docker container.
“It is this isolation between containers running on the same host that makes deploying microservice code developed using different languages and frameworks very easy. Using Docker, we could create a DockerFile describing all the language, framework, and library dependencies for that service.”
The Nike case study highlights just how powerful the combination of Cloud and microservices can be – For example at 25:00 he explains how “scaling concerns do not cross functional boundaries”, meaning that capacity for one service can expand elastically without affecting any other services.
Amazon Microservice Containers
Nate explains that with Amazon ECS, you define a pool of compute resources called a “cluster”, consisting of one or more Amazon EC2 instances where Amazon ECS can manage the state of all the container-based applications running within it. “Task definitions” are used to define a grouping of containers that comprise an application, with each container specifying its required resources and Amazon ECS matching them to available resources.
The post Microservice Containers and Multi-Platform Development appeared first on Cloud Best Practices.
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