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start here — architecture

Spring Boot Microservices Architecture Explained Step by Step

The one guide to read before splitting a Spring Boot monolith. Where the boundaries should actually go and what breaks when they don't.

fundamentals

Building REST APIs with Spring Boot: A Complete Guide

A production-shaped REST API from empty folder to Docker container — validation, error handling, persistence, tests.

shipping

Dockerizing a Spring Boot Application: The Right Way

Multi-stage Dockerfile, non-root user, layered JAR — the container recipe most Spring Boot teams end up using.

auth

Spring Security + JWT — Stateless Auth Done Right

Stateless auth done right. The token lifecycle, the refresh story, and the mistakes worth reading before you copy a Stack Overflow snippet.

performance

Spring Boot + Redis Caching — Make Your API 10× Faster

When Redis makes a Spring Boot service faster, when it makes it slower, and how the @Cacheable eviction story really works.

persistence

Spring Data JPA — 10 Best Practices for Production

N+1, fetch strategies, projection DTOs, transactional boundaries — the JPA gotchas that show up in every code review.

quality

A Pragmatic Spring Boot Testing Strategy

The layered testing pyramid for a Spring service — unit, slice, integration — and what each one actually protects against.

resilience

Circuit Breaker in Spring Boot with Resilience4j — Protect Your System from Overload

Circuit breakers, retries, bulkheads, time-limiters — how they combine, and why 'just retry' is the wrong default.

streaming

Spring Boot + Kafka — Build a Real-Time Messaging System

Producers, consumer groups, delivery semantics — end-to-end Kafka on Spring Boot without hand-waving.

operations

API Rate Limiting in Spring Boot with Bucket4j and Redis

Token bucket vs leaky bucket, where to enforce (gateway vs service), and how to survive a spike without dropping legitimate traffic.

⏱ 6 min

Spring Boot Microservices Architecture Explained Step by Step

A complete, beginner-friendly walkthrough of microservices architecture using Spring Boot — services, gateway, discovery, config and observability.

⏱ 14 min

Spring Cloud Gateway — Routing, Filters and Auth in One Place

Build a production API gateway with Spring Cloud Gateway: routing, JWT auth, rate limiting and request logging.

⏱ 7 min

Service Discovery with Eureka in Spring Boot

How service discovery works, why you need it, and how to set up Netflix Eureka with Spring Cloud step by step.

⏱ 7 min

Deploying Spring Boot to AWS: ECS Fargate End-to-End

Containerize a Spring Boot app, push to ECR, run on ECS Fargate behind an Application Load Balancer — production-ready in one tutorial.

⏱ 6 min

Kubernetes Basics for Java Developers

Everything a backend developer needs to know about Kubernetes — Pods, Deployments, Services, Ingress and ConfigMaps — explained with a Spring Boot example.

⏱ 6 min

CI/CD Pipeline with GitHub Actions and Docker

Build a complete CI/CD pipeline that tests, builds and pushes a Spring Boot Docker image on every push using GitHub Actions.

Jun 3, 2026

Blue-Green Deployments with Kubernetes — Zero Downtime Releases

A complete production guide to blue-green deployments on Kubernetes — Deployments, Services, Ingress, traffic switching, instant rollback, database compatibility and the full release process.

Jun 3, 2026

CQRS Pattern in Spring Boot — Separating Reads and Writes for Scale

A complete production guide to the CQRS pattern in Spring Boot — write models, query models, event projections, Kafka integration, consistency trade-offs and real-world scaling patterns.

Jun 3, 2026

Designing Event-Driven Microservices with Kafka and Spring Boot

A complete production guide to event-driven microservices with Kafka and Spring Boot — producers, consumers, topics, partitions, consumer groups, retry strategies, schema evolution and operational best practices.

Jun 3, 2026

The Outbox Pattern — Reliable Event Publishing in Microservices

Solve the dual-write problem with the transactional Outbox pattern. Production guide using Spring Boot, JPA, PostgreSQL, Kafka and Debezium with idempotent consumers and operational best practices.

Jun 3, 2026

Redis Distributed Caching Architecture for High-Traffic APIs

Build a production-grade distributed cache with Redis and Spring Boot — cache-aside, @Cacheable, TTL, eviction, cache stampedes, warming, hit-rate monitoring and scalability for high-traffic APIs.

Jun 2, 2026

GitOps with ArgoCD — The Modern Kubernetes Deployment Strategy

A complete, production-grade guide to GitOps with ArgoCD on Kubernetes — workflow, architecture, multi-environment promotion, auto-sync, rollbacks and Spring Boot deployments.