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MapStruct vs Immuto: Where the Records Gap Actually Is

MapStruct vs Immuto: Where the Records Gap Actually Is

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6 min read
I Built a Production-Ready Spring Boot 4.1.0 SaaS Boilerplate — Here Is What I Learned

I Built a Production-Ready Spring Boot 4.1.0 SaaS Boilerplate — Here Is What I Learned

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3 min read
Stop calling a service that's already down: circuit breakers with Resilience4j

Stop calling a service that's already down: circuit breakers with Resilience4j

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4 min read
WebSocket in Spring Boot, Explained Simply

WebSocket in Spring Boot, Explained Simply

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8 min read
One client shouldn't be able to drown your API: rate limiting with Bucket4j and Redis

One client shouldn't be able to drown your API: rate limiting with Bucket4j and Redis

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4 min read
Building an Affiliate Marketplace from Scratch: 14 Tables, 27 Services, Zero Money Movement

Building an Affiliate Marketplace from Scratch: 14 Tables, 27 Services, Zero Money Movement

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5 min read
How does Spring Boot simplify the development of Java applications?

How does Spring Boot simplify the development of Java applications?

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5 min read
Stop Guessing Batch Sizes: High-Performance Bulk Inserts in Spring Boot with PostgreSQL COPY

Stop Guessing Batch Sizes: High-Performance Bulk Inserts in Spring Boot with PostgreSQL COPY

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6 min read
RAG with Spring Boot — Embeddings and Vector Search Step by Step (2026)

RAG with Spring Boot — Embeddings and Vector Search Step by Step (2026)

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2 min read
Same request. Same answer. One is ~120ms, the other is ~2ms. The only difference is whether it came from Postgres or from Redis.

Same request. Same answer. One is ~120ms, the other is ~2ms. The only difference is whether it came from Postgres or from Redis.

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5 min read
Passwords are not necessary, a Oauth/OIDC approach

Passwords are not necessary, a Oauth/OIDC approach

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7 min read
Building a multi-step AI agent in Java with Spring AI 2.0

Building a multi-step AI agent in Java with Spring AI 2.0

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2 min read
How I Built Sherlog: an AI Log Analyzer with RAG, Spring AI, Groq & pgvector

How I Built Sherlog: an AI Log Analyzer with RAG, Spring AI, Groq & pgvector

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4 min read
Building a Tool Engine with Spring AI — How We Gave Jarvis the Ability to Act in the World

Building a Tool Engine with Spring AI — How We Gave Jarvis the Ability to Act in the World

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7 min read
Show Dev: Self-reinforcing K-pop data pipeline using Spring Boot and pgvector (Built on OCI Free Tier)

Show Dev: Self-reinforcing K-pop data pipeline using Spring Boot and pgvector (Built on OCI Free Tier)

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2 min read
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