Using Oracle Database with Docker for Spring Boot Integration Testing
Learn how to run Oracle Free in Docker and integrate it with Spring Boot for reliable integration testing
Solving N+1 and Playing with LISTAGG (Oracle/H2)
An exploratory deep-dive into using QueryDSL to solve N+1, build type-safe dynamic queries, and leverage LISTAGG in Oracle/H2 for efficient read models.
Distributed Locks and Fencing Tokens — Handling Concurrency Safely in Microservices
A practical explanation of distributed locks, why they are not enough on their own, and how fencing tokens prevent race conditions in microservice architectures.
Circuit Breakers, Retries, Backoff, and Timeouts — Making Microservices Resilient
A practical explanation of timeouts, retries, exponential backoff, and circuit breakers — and how they work together to prevent cascading failures in distributed systems.
Understanding Idempotency — Building Reliable APIs and Microservices
A simple explanation of idempotency and how it helps design reliable, fault-tolerant APIs in Spring Boot microservices.
Understanding CAP and PACELC — Why Distributed Systems Can't Have It All
Explaining CAP theorem and PACELC in simple terms with real-world examples.
Creating and Applying Patches in Git
Learn how to create patches from staged changes in Git and apply them to different branches