programming

All posts (54)

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Spring Boot Configuration Best Practices

Spring Boot comes with very neat configuration mechanism. Default default application configuration is defined in one configuration file and environment specific setting in separate files. But still this mechanism is often not used properly resulting in verbose and unmaintainable configurations.

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What happens when you split systems into many microservices

Moving from monolithic applications into microservices is current trend in software design. Let’s identify some pros and cons of both architectures and challenges one may face during the system transformation.

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Building Data Pipeline with Kotlin Coroutines Actors

In this post I will show how to build simple data-enriching pipeline using Kotlin coroutines. I will use Channels and Actors abstractions provided by kotlinx-coroutines. In Actors model «actors» are the universal primitives of concurrent computation. In response to a message that it receives, an actor can: make local decisions, create more actors, send more messages, and determine how to respond to the next message received. Actors may modify their own private state, but can only affect each other through messages (avoiding the need for any locks).

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The Typical Mistake in Web-Service Design

Working on different projects I often see the same problems with application design.

Customizing REST API Error Response in Spring Boot / Spring-Security-OAuth2

Defining error format is important part of REST API design.

Spring-Boot and Spring Security provide pretty nice error handling for RESTful APIs out of the box. Although it has to be documented, especially when contract-first approach to API design is used.

It is good idea to follow some common format for error responses. But OAuth2 specification and Spring Boot format may not satisfy those requirements.

Monitoring your application locally with NewReclic

The New Relic Digital Intelligence Platform provides actionable insights to drive digital business results. You can monitor your application and infrastructure performance so you can quickly resolve issues and improve digital customer experiences.

Following instruction should help you to connect your application to NewRelic platform and customize application events sent to the platform.

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