Do You Know About Microservices and Their Design Patterns?

Managing the complexity of software development is a daunting task for architects and developers. Especially in handling large web-scale applications or enterprise apps, the old procedures failed to meet modern requirements. That’s where Microservice Architecture comes in.

Microservice Architecture and its design patterns are helpful in service-based application development. This will break the complex systems into smaller independent units to manage the application effectively.

Whereas, the monolithic approach is used where the entire application is packed into a single codebase. Therefore, it faces the challenges of scalability and tight coupling. To avoid the failure of the software application, Microservices are highly adapted in modern development.

Microservices has great developers’ support that why adopted rapidly by the community. As per the Statista survey, 45% of respondents agreed that they are using Microservices, especially in Business intelligence applications that have a complex mechanism.

Now, the question is When you can use microservices and how it meets your project requirements. To answer this precisely, let’s learn about Microservices and their design patterns with uses.  

What Are Microservices?

Microservices are the modern approach consisting of smaller independent services based on domain or business requirements. These small systems have their own database that contains only specific data of the particular business domain. These services are also interconnected in synchronous or asynchronous ways.  

Microservices architecture is independently deployable, scalable, and fault-tolerant because of individual service development.  Now, let’s look at the major reasons why you choose Microservices over Monolithic architecture in your project.

Reasons to Choose Microservices over Monolithic Architecture:

Independent services:

The Microservices architecture has loosely packed independent services without any service execution dependency. This makes it highly alterable without affecting other services.  While in Monolithic architecture, the whole application is tightly packed with a single codebase which makes it complicated to scale or alter separately.  

Scalable development:

Microservices development helps to create a scalable software application. When we talk about scalability, it means the qualitative and quantitative growth of an application. And that is one of the biggest challenges with the monolithic framework. While Monolithic architecture failed in scalable development because of complexities in the single codebase database, microservices help manage large traffic efficiently because of the independent services database.

Real-time loading:

One of the major requirement requirements of today’s software application is the real-time loading of a large number of customer requests. Here microservices help you with horizontal scaling and proper distribution. On the other hand, monolithic uses vertical scaling results in single-point failure or improper distribution.

Continuous monitoring:

Easy access to the required data helps in continuous monitoring of the issues. Here microservices help to monitor data through defined logs and metrics to understand the conditions better. In a monolithic one, the development is considered as a single fat jar that requires dependencies. Because of different internal classes and dependencies, it is difficult to monitor data in case of any issue.

Decentralization:

Decentralization of Microservices plays a major role in the creation and management of the application. When the development needs design components of various stacks then Microservices is best to decentralize the overall governance.

All of the above reasons make microservices a preferable development architecture for developing an effective, scalable, and easy-to-monitor software application. Now, here are the design patterns for Microservices architecture with its use cases.

Design Patterns for Microservices Architecture: –

There are several design patterns for Microservices that are helpful in designing architecture. These design patterns are categorized into 5 major patterns mentioned below:

Decomposition patterns:

Decomposition patterns are used when you start breaking the monolithic architecture to form small individual services.  These patterns help to categorize the data logically in the Business capability, Subdomain, or Strangler patterns of decomposition.

Integration patterns:

Integration design patterns play a crucial role in facilitating communication between individual services. These also help in maintaining high performance while obtaining a client-server response. The major integration patterns are – the API Gateway pattern, Aggregator pattern, Proxy, and chained microservice pattern. 

Database design patterns:

This is the database design pattern used in designing the databases of different microservices. The database is the major pattern that decides the success of your software application. The major database patterns are Database per service patterns, shared databases, CQRS patterns, Event sourcing, or Saga patterns.

Observability design patterns:

Observability patterns are critical to maintaining proper monitoring and telemetry of the microservices. These help in deciding the performance matrix, health check, and distribution tracing through individual matrixes of the application.

Cross-cutting design patterns:

These patterns are crucial in the configuration of the microservices that help to identify internal services. The main Cross-Cutting design patterns have external configuration patterns, service discovery, Circuit Breaker, and Blue-Green Deployment patterns.

Conclusion: –

Microservices are designed to improve the data security, compliance, and scalability of modern enterprise software applications. However, it is not perfect for every application development. You should be aware of the suitable use cases of the microservices before blindly applying them to your project.

Microservices are helpful in designing large-scale enterprise applications when multiple teams are coordinating to develop a single project. Microservices are complex to manage because of various database entities.  Therefore, Microservice architecture development needs proper monitoring of experienced senior developers or architects.

Experienced and skilled software developers can handle Microservices development efficiently. So, if you have a large web project hire the best software developers that can understand your requirements and your project needs for successful development. Here Book My Talent can help you to hire software developers that are pre-screened to hire immediately.

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