RSRaghav Shuklainblog.raghavdev.in·20h ago · 10 min readBuilding an Event-Driven Payment System That Survived ~1 Million RequestsMost payment APIs work fine at low traffic. Then you throw a few thousand concurrent requests at them and everything gets interesting. Client retries turn into duplicate payments. Postgres starts cont41V
MMongoDBinmongodb-official.hashnode.dev·18h ago · 10 min readMongoDB as a Vector Database for AI AgentsThis tutorial was written by Aasawari Sahasrabuddhe. Modern artificial intelligence systems are continually evolving. Large Language Models, or LLMs, have become the backbone of modern applications an00
KMKonrad Małochainmkon.dev·1d ago · 11 min readDeploying to Miget from a private GHCR: an AI agent did the whole thingHello there! A small disclaimer before we start: Miget was built by my friend. It's a PaaS for deploying containerized apps. I wanted to try it on my own project for some time, so I did, and here I wa00
AKAshutosh Kumarinaskuma.hashnode.dev·3d ago · 8 min readLocalStack → Floci: The Complete 2026 Migration GuideBy Ashutosh Kumar | Project Manager & Engineering Tools Enthusiast | June 2026 Part 4 covered migration steps and CI configs. Part 5 covered the technology stack, service map, benchmarks, and edge ca00
YYadrsinyadrs.hashnode.dev·6d ago · 7 min readEC2 vs ECS for Spring Boot Deployment — A Practical Guide to Choosing Your AWS ModelBuilding a Spring Boot application is only half the journey. At some point, every backend project reaches the next question: Where should this application actually run? If you are deploying on AWS, 00
CNChioma Nwosuindeployingspringpetclinicmicroservicesonamazoneks.hashnode.dev·6d ago · 5 min readOne Command, Eight Microservices: Deploying Spring PetClinic with Docker ComposeIntroduction As part of my DevOps learning journey, I recently deployed the Spring PetClinic Microservices application locally using Docker Compose. This wasn't a simple single-container application. 10
TDTapan Dabraiintapandabrai.hashnode.dev·Jun 22 · 8 min readWhat Real Backend Development Looks LikeThe Day Production Stops Caring About Your Confidence You finally feel confident with Spring Boot. You can spin up a REST API in twenty minutes, wire up Postgres, add some validation, ship it. Then pr20
YYadrsinyadrs.hashnode.dev·Jun 21 · 5 min readSpring Boot Project Structure in Practice: Controllers, DTOs, Exceptions, and Beyond InitializrSpring Initializr is one of the best tools in the Java ecosystem. It solves the first problem every Spring Boot developer has: "How do I create a working Spring Boot application quickly?" You select00
GTGK TechVerseingktechverse.hashnode.dev·Jun 19 · 7 min readWhy @Transactional Fails in Production🚨 Production Brief Every experienced Spring Boot developer has encountered at least one bug that looked impossible to explain. The annotation was present. The code compiled successfully. The integrat00
YYadrsinyadrs.hashnode.dev·Jun 17 · 6 min readSpring Boot Docker in Practice: Multi-Stage Builds, Layer Caching, and Production ConfigurationRunning a Spring Boot application locally is straightforward. But production introduces different requirements. A real deployment usually needs: consistent runtime environments database containers f00
