Posts in technical

Choosing RPC, gRPC, or Event APIs for Service Integration

September 30, 2026 8 min read

Compare REST-style RPC, gRPC, and event APIs by interaction pattern, latency, coupling, tooling, and operational needs before choosing an integration style.

#api-design #grpc #rpc #event-driven #distributed-systems

JSON, Content Types, and API Serialization Explained

September 30, 2026 8 min read

Learn how JSON representations, media types, and serialization rules shape API compatibility, validation, and reliable client-server data exchange.

#api-design #json #serialization #http

HTTP Methods, Status Codes, and Headers in API Design

September 30, 2026 9 min read

Choose HTTP methods that match the operation, return status codes clients can act on, and use headers for metadata, caching, and safe retries.

#api-design #http #rest #web-development

OpenAPI and Machine-Readable API Specifications

September 30, 2026 8 min read

Learn how OpenAPI turns API behavior into a reviewable contract, supports tooling, and helps teams catch breaking changes before clients encounter them.

#openapi #api-design #api-contracts #documentation

Synchronous Calls, Asynchronous Messaging, and Webhooks

September 30, 2026 8 min read

Choose between synchronous APIs, queued messages, and webhooks by matching delivery behavior to latency needs, failure handling, and ownership boundaries.

#api-design #messaging #webhooks #integration

Spring Boot Build Tools: Maven & Gradle

June 21, 2026 28 min read

Configure Maven and Gradle for Spring Boot projects—plugins, dependency management, packaging JARs and WARs, and build automation essentials.

#spring-boot #spring-boot-roadmap #learning-path #maven #gradle #build-tools

Embedded Web Servers in Spring Boot: Tomcat, Jetty, Undertow

June 20, 2026 21 min read

Configure embedded servers in Spring Boot: compare Tomcat, Jetty, and Undertow, tune thread pools, enable access logs, and switch implementations.

#spring-boot #spring-boot-roadmap #learning-path

JUnit 5 & Jupiter: Lifecycle, Nested & Parameterized Tests

June 20, 2026 28 min read

Explore JUnit 5 Jupiter features: master test lifecycle annotations, organize tests with @Nested, and parameterize tests with @CsvSource and @MethodSource.

#spring-boot #spring-boot-roadmap #learning-path

Mockito: Mocking, Stubbing, Verifications, Spy vs Mock

June 20, 2026 22 min read

Learn Mockito fundamentals: create mocks and spies, stub behavior with when().thenReturn(), verify interactions, and choose between Spy vs Mock wisely.

#spring-boot #spring-boot-roadmap #learning-path

Spring Boot Actuator: Health Checks, Metrics, Info Endpoints, Custom Indicators

June 20, 2026 24 min read

Monitor Spring Boot apps with Actuator: built-in health checks, metrics, info endpoints, and how to build custom health indicators.

#spring-boot #spring-boot-roadmap #learning-path