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Building a Waitlist with Automatic Promotion in Spring Boot (and Keeping the Queue Gap-Free)

Building a Waitlist with Automatic Promotion in Spring Boot (and Keeping the Queue Gap-Free)

7 min read
How Dependency Injection Works in Spring Boot: A Quick Walkthrough

How Dependency Injection Works in Spring Boot: A Quick Walkthrough

3 min read
Spring Boot App Is Running, but CloudWatch Shows No Custom Metrics. Here's How to Debug It.

Spring Boot App Is Running, but CloudWatch Shows No Custom Metrics. Here's How to Debug It.

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12 min read
Why I Started Contributing to Open Source (and What Happened in the First Few Months)

Why I Started Contributing to Open Source (and What Happened in the First Few Months)

2 min read
Exploring tenant isolation with Spring Boot, OIDC, and PostgreSQL RLS

Exploring tenant isolation with Spring Boot, OIDC, and PostgreSQL RLS

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5 min read
Why Scaling Kafka Consumers Is Harder Than Just Adding Pods

Why Scaling Kafka Consumers Is Harder Than Just Adding Pods

4 min read
Building CivicGemma: A Tamper-Evident E-Voting Microservices Platform with Gemma 4 🗳️

Building CivicGemma: A Tamper-Evident E-Voting Microservices Platform with Gemma 4 🗳️

4 min read
Stop using ddl-auto=update in production

Stop using ddl-auto=update in production

8 min read
Find out why your Spring Boot + React request is slow, from the click to the SQL

Find out why your Spring Boot + React request is slow, from the click to the SQL

5 min read
Haunted Stack Traces: Explaining Java Errors with Gemma 4, Running Locally

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Haunted Stack Traces: Explaining Java Errors with Gemma 4, Running Locally

6 min read
Ofrenda: A Local AI Altar That Keeps Your Loved Ones’ Memories Alive

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Ofrenda: A Local AI Altar That Keeps Your Loved Ones’ Memories Alive

3 min read
Still Renewing Tomcat and Spring Boot Certificates by Hand? How to Automate Renewal and Deployment

Still Renewing Tomcat and Spring Boot Certificates by Hand? How to Automate Renewal and Deployment

7 min read
Kotlin data class in Spring Boot 4: what the bytecode shows

Kotlin data class in Spring Boot 4: what the bytecode shows

6 min read
Logs Aren't an Audit Trail: Debugging Business Data in Spring Boot

Logs Aren't an Audit Trail: Debugging Business Data in Spring Boot

6 min read
Encrypting Sensitive Data in Spring Boot: AES-256-GCM Explained with a Real-World Example

Encrypting Sensitive Data in Spring Boot: AES-256-GCM Explained with a Real-World Example

8 min read
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