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Oct 17

Spring Boot Dependency Injection Interview Questions: IoC, Beans, and Bean Lifecycle Explained

Imagine you’re building an e-commerce backend using Spring Boot.

Spring Boot Dependency Injection Interview Questions: IoC, Beans, and Bean Lifecycle Explained

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Sep 1

Spring Boot Interview Questions 2026: The Complete Guide to Cracking Java Backend Interviews

Most Spring Boot interviews are not difficult because the framework has too many annotations.

Spring Boot Interview Questions 2026: The Complete Guide to Cracking Java Backend Interviews

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Aug 30

Stop Saving Files on Your Server: The Production Storage Problem

Why Production Systems Prefer Object Storage Over Local Disk

Stop Saving Files on Your Server: The Production Storage Problem

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4h ago

IAM and Row-Level Security (RLS): An End-to-End Guide with Java Spring Boot and PostgreSQL

Reading time: 20 minutes Technology stack: Java 17+, Spring Boot 3.x, Spring Security 6, JWT, Spring Data JPA, Hibernate, PostgreSQL Level…

IAM and Row-Level Security (RLS): An End-to-End Guide with Java Spring Boot and PostgreSQL

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4h ago

From Static Database Passwords to AWS IAM Authentication: A 35-Minute Production Security…

A practical, end-to-end guide to securing MySQL on AWS RDS using IAM authentication, Java, Spring Boot and HikariCP

From Static Database Passwords to AWS IAM Authentication: A 35-Minute Production Security…

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17h ago

From Traffic Spike to Recovery: The Complete DDoS Defense Playbook for Modern Applications

How to detect availability attacks, protect APIs, build resilient cloud infrastructure, and respond to incidents in the age of AI

From Traffic Spike to Recovery: The Complete DDoS Defense Playbook for Modern Applications

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17h ago

DDoS Attacks Explained: Volumetric, Protocol, and Application-Layer Attacks

How distributed traffic overwhelms network bandwidth, connection resources, and application capacity — and how to build resilient systems…

DDoS Attacks Explained: Volumetric, Protocol, and Application-Layer Attacks

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T3CH

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1d ago

Your Product Was Updated, but Search Still Shows Yesterday’s Price

Building a Reliable Search Pipeline with Java, Spring Boot, PostgreSQL, Kafka, Debezium, and Elasticsearch

Your Product Was Updated, but Search Still Shows Yesterday’s Price

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1d ago

8 Liquibase Mistakes That Break Spring Boot Deployments (and How to Test for Them)

Your database migration can pass code review, work perfectly on your laptop, and still break a production deployment. Here is how to find…

8 Liquibase Mistakes That Break Spring Boot Deployments (and How to Test for Them)

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1d ago

JDK 27 Compact Object Headers: What Changes in a Real Spring Boot Application?

Java objects are getting smaller at the JVM level. But how much memory can a Spring Boot application actually save, and how do you measure…

JDK 27 Compact Object Headers: What Changes in a Real Spring Boot Application?

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The Turtle Code

Backend engineer writing about Java, Spring Boot, System Design, Distributed Systems, APIs, Databases, Docker, and real-world software engineering.

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