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Microservices, Docker, Kubernetes, Serverless, Service Mesh, and Beyond

DZone's Guide to

Microservices, Docker, Kubernetes, Serverless, Service Mesh, and Beyond

Learn how all these technologies work together for more reliable, efficient microservices development and deployment, and how the Ballerina language helps.

· Microservices Zone ·
Free Resource

Containerized Microservices require new monitoring. Read the eBook that explores why a new APM approach is needed to even see containerized applications.

It’s all here. Microservices are real, as are the container based deployments, service mesh implementations, and serverless frameworks. They all came as concepts and internal projects of internet giants like Google, Lyft, and Amazon and made it through to the enterprise ecosystems. Container-based deployments made it possible to optimize the resource utilization with the proper isolation of application runtimes. This made the microservices style of application development a reality and allowed the developers to build efficient, reliable and highly distributed enterprise applications which can serve the demands of companies like Google, Uber, and Amazon users.

Kubernetes made the infrastructure a more controlled and a reliable entity so that application developers don’t need to worry about intermittent failures of a part of your infrastructure. It made your data center a single computing entity on which you can deploy your applications with confidence. Cloud computing companies like Amazon, Microsoft, and Google offer Kubernetes as a service so that users can directly reap the benefits from the cloud.

All these technologies made once a really complicated component (server infrastructure) into a simple and reliable thing which application developers can rely on without bothering much. The next level of this development was the serverless frameworks where you don’t need to even think about the existence of your infrastructure (aka serverless). Rather you can write your business logic and hand it over to the cloud provider so that they will make it a network accessible endpoint or a function.

All these developments made your enterprise ecosystem a plethora of endpoints which you need to interconnect to provide meaningful services to your end customer. If you are implementing a microservices based architecture within your enterprise, you need to make sure that interservice communication is properly handled within the system. The concept of a service mesh is trying to solve this problem of inter-service communication through a data plane which makes data flows across the microservices network and the control plane which defines and controls the wiring of these microservices.

That’s what we have in the enterprise. What’s next? The above technologies improved the reliability, scalability, and efficiency of the resources. All those technologies made your enterprise more and more disaggregated or distributed. Now everything has become an endpoint and you need to interact with multiple of those to offer a meaningful service to your customers. How do you build applications on top of this advanced system? Are you going back to a monolithic ESB or a Message Broker which runs all of your integration logic?

The next big thing is here! Ballerina is a cloud-native programming language which is built specifically to solve this problem. It comes with an intuitive programming syntax with built-in support for integration heavy use cases. Ballerina allows you to

  • Build integration (micro)services with minimum effort.
  • Process data and events coming from existing systems and transform them natively without converting into canonical data formats.
  • Handle endpoint failures with advanced technologies like async calls, circuit breakers.
  • Generate Docker/Kkubernetes artefacts directly from the code with annotations.
  • Build applications which run multiple tasks in parallel and in an asynchronous manner.
  • View the program in a visually appealing sequence diagrammatic representation.

In addition to the above features, Ballerina comes with a full eco-system of tools, including

  • Ballerina Composer (IDE) and IDE plugins for VSCode, Vim, few others.
  • Test framework to implement tests for individual Ballerina programs.
  • Document generation framework to generate documentation for Ballerina programs.
  • Ballerina central as a shared repository which can be used to exchange the connectors and libraries written by other people.

You can learn more about Ballerina here.

Discover how to automatically manage containers and microservices with better control and performance using Instana APM. Try it for yourself today.

Topics:
docker ,kubernetes ,microservices ,serverless ,integration ,software architecture

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