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habr.com /4 weeks ago

Интеграционные тесты в Java: ускоряем Testcontainers через tmpfs и прединициализацию

Testcontainers - Java-библиотека, которая управляет Docker-контейнерами прямо из тестового кода. Во время выполнения тестов она запускает нужный контейнер - базу данных, брокер соо...

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dzone.com /1 month ago

Mocking Kafka for Local Spring Development

Some time ago, a former teammate of mine reached out with a very specific request: Can you add a way to mock Kafka in your app? I need something simple, just a way for me to prod...

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javacodegeeks.com /3 weeks ago

Building and testing a Modern Java 25 / Spring Boot 4.0.6 Backend: Docker, PostgreSQL, OpenAPI, Serenity BDD, Cucumber,...

Abstract This article walks through a compact but realistic backend application built with Java 25 and Spring Boot 4.0.6. The project uses PostgreSQL running in Docker, Gradle 9.5....

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javacodegeeks.com /1 month ago

Why Your Integration Tests Are Slower Than They Should Be: The Spring Context Cache You Don’t Know You’re Misusing

Every JCG article recommends @SpringBootTest for integration testing. Almost none explain the context cache model underneath it — how a single misplaced @DirtiesContext, a scattere...

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dzone.com /1 month ago

How to Interpret the Number of Spring ApplicationContexts in Integration Tests

When optimizing Spring Boot integration tests, developers often focus on obvious metrics: total build time, test execution time, CPU usage, memory consumption, or the number of fai...

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dev.to /1 month ago

DynamoDB and SQS containers with Docker Compose

Docker Compose facilitates spinning up local AWS-compatible services without an AWS account. This post covers DynamoDB Local for key-value storage and ElasticMQ for an SQS-compatib...

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sdtimes.com /1 month ago

Survey: Spring Developers Have a Blindspot When It Comes to Container Security

SAN JOSE — A survey from BellSoft found that Spring developers don’t know their Dockerfiles affect their security posture, aren’t using hardened images and can’t name their complia...

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javacodegeeks.com /3 weeks ago

Getting Started With NCache Java Edition (Using Docker)

If you’ve ever watched a high-traffic Java service crawl under database load, you’ve already felt the problem that distributed caching solves. NCache is an in-memory, distributed c...

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aws.amazon.com /3 weeks ago

Build a Spring Boot REST API with Amazon Aurora DSQL

In this post, you learn how to build a Spring Boot REST API that integrates with Aurora DSQL. You’ll configure the Aurora DSQL JDBC Connector for IAM authentication, implement opti...

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