Role of Microservices and Containers for Application Agility


A. Introduction

Flexibility and infrastructure are the two main key components of any modern enterprise looking for digital change. Don’t construe in the wrong way, as current methods of the development do not match with those that have been used earlier. What is the difference between the modern or the traditional architecture? All efforts are put to create an agile system or interface.

Traditional or monolithic apps are not flexible as compared to modern architecture. The application of agile and modern apps has may benefits or advantages. The use or implementation of APIs forces applications to execute functions. Widgets are operated through virtualization, which helps them to be utilized as per one’s requirement, i.e., it becomes easy to launch and shut down the system, whenever required. But what is the role of microservices and containers in the whole business? Microservices and containers are two essential components of the infrastructure that contribute towards creating a customizable app.

B. Understand the utility of Microservices and Containers towards Development

Why choose microservices? The microservice architecture builds independently deployable services that are useful in executing business functions. Every service has its specified role in business goals. Let’s understand this concept with the example of a honeycomb. Each cell of a honeycomb varies with one another. Together cells create a strong network of structures. Do you think it is a new concept?

The concept of creating independent structures was carried out in the late 1980s. At that time, service-oriented architecture was invented to transform the monolithic structure into functional units. It was found at the same time when the strategy of the peer-to-peer network was launched.

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Applications need other services for their management. Hence middleware is widely used so that one can easily move data and services when required. ESB is an integration architecture that uses multiple layers for point-to-point or link connections; the layers are used to organize the whole structure. Let’s take an example of ESB. Different services and approval processes are combined at individual levels to provide a unified experience to users while online shopping.

What is unique about the microservice approach? Unlike ESB, microservices do not have a single layer. Each type of service is self-responsible to coordinate with others. Now applications can be categorized and assembled by different teams working in different departments. Even tech-savvy can write to them as per the requirement for tasks. Now programming languages contribute towards the development of them. The motto behind the disintegration is to match individual segments to applications.

Here are some suggested frames that tech-savvy can utilize to create microservices-based apps. Frameworks carry important services contributing to create customizable apps.

Microservices architecture

C. Suggested Frameworks

  • Spring Boot: Spring Boot is a framework suggested for creating independent systems, i.e., decoupled. The systems are flexible and simple frameworks that support the use of multiple programming languages. Multiple web services can be targeted. For example, Tomcat, Undertow, etc.

  • Jersey: Jersey is a framework used for the RESTful services in Java application. HTTP is used to handle messages between microservices. It is easy to use and is used for the support of JAX-RS.

  • Swagger: It is a framework that allows the use of APIs for developmental works. Machines using APIs for documentation can easily understand it. It creates libraries for APIs in different languages.

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The implementation of new technologies and techniques is putting efforts, using the latest approach of development. Below are some data supporting the latest approach.

D. Latest Approach

  • Speed: Networks working at high speed and low latency promote the development of services. For example, apps can easily coordinate with security services or signing services to end their sale.

  • Containers: Containers are machines and a part of the infrastructure used for executing multiple services. They can be launched and dismissed without any need for management. Every service is stored in its containers.

  • RESTful APIs: RESTful APIs are defined by APIs as they utilize HTTP requests to fetch data, using GET, POST, PUT and DELETE. Commands act as a communicating medium between services of variable bandwidths (especially low). Thus it becomes easy to make them suitable for loosely coupled apps. All microservices are message-oriented but not RESTful.

  • Databases: Services handling data requests are part of databases. Each type consumes the data and manages other services through the advanced platform. Now commodity servers can be used to build scalable apps at low costs.

  • DevOps: The flexible techniques promote modularity, increases release cycles and provide feedback. This is why companies are using DevOps for development.

  • DataOps: DataOps combines DevOps and manages the data models. The concept of this model is to create intelligent models, eliminating the dependency on old models. Learn more about microservices

Agile and lightweight protocols are used for communication between independent services. This is why the microservice architecture entails the application of RPC protocols, REST and messaging systems. The architecture is completely different from those who create monolithic apps. The motive of the latest architecture is to create a flexible and scalable structure and provide customizable solutions to meet users’ demands.

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