Category · 463 articles

Data & Streaming

N+1 queries with Prisma: NestJS best practices explained

NESTJS · DAY 017

N+1 queries with Prisma: NestJS best practices explained

Expona Admin · Oct 27, 2026 · 7 min read

Cursor pagination with Prisma: a practical NestJS guide

NESTJS · DAY 018

Cursor pagination with Prisma: a practical NestJS guide

Expona Admin · Oct 27, 2026 · 6 min read

Soft delete with Prisma Client extensions for production

NESTJS · DAY 019

Soft delete with Prisma Client extensions for production

Expona Admin · Oct 27, 2026 · 6 min read

Caching with Redis in NestJS: what developers should know

NESTJS · DAY 032

Caching with Redis in NestJS: what developers should know

Expona Admin · Oct 27, 2026 · 8 min read

Scaling Socket.IO across instances for NestJS developers

NESTJS · DAY 041

Scaling Socket.IO across instances for NestJS developers

Expona Admin · Oct 27, 2026 · 9 min read

NestJS microservices: transports — a step-by-step guide

NESTJS · DAY 042

NestJS microservices: transports — a step-by-step guide

Expona Admin · Oct 27, 2026 · 8 min read

Kafka consumers in NestJS: practical tips and trade-offs

NESTJS · DAY 043

Kafka consumers in NestJS: practical tips and trade-offs

Expona Admin · Oct 27, 2026 · 7 min read

OpenTelemetry in Node.js: NestJS lessons from production

NESTJS · DAY 088

OpenTelemetry in Node.js: NestJS lessons from production

Expona Admin · Oct 27, 2026 · 7 min read

Why every senior engineer should know events and real-time

KAFKA & WEBSOCKETS · DAY 001

Why every senior engineer should know events and real-time

Expona Admin · Oct 27, 2026 · 9 min read

Kafka in one picture: a practical Kafka & WebSockets guide

KAFKA & WEBSOCKETS · DAY 002

Kafka in one picture: a practical Kafka & WebSockets guide

Expona Admin · Oct 27, 2026 · 9 min read

Topics are not queues for Kafka & WebSockets developers

KAFKA & WEBSOCKETS · DAY 003

Topics are not queues for Kafka & WebSockets developers

Expona Admin · Oct 27, 2026 · 7 min read

Partitions and ordering: real-world lessons and examples

KAFKA & WEBSOCKETS · DAY 004

Partitions and ordering: real-world lessons and examples

Expona Admin · Oct 27, 2026 · 7 min read

Choosing a partition key: a hands-on guide for engineers

KAFKA & WEBSOCKETS · DAY 005

Choosing a partition key: a hands-on guide for engineers

Expona Admin · Oct 27, 2026 · 8 min read

Consumer groups and rebalancing: lessons from production

KAFKA & WEBSOCKETS · DAY 006

Consumer groups and rebalancing: lessons from production

Expona Admin · Oct 27, 2026 · 7 min read

How many partitions do you need: lessons from production

KAFKA & WEBSOCKETS · DAY 007

How many partitions do you need: lessons from production

Expona Admin · Oct 27, 2026 · 7 min read

Offsets and commits: a practical Kafka & WebSockets guide

KAFKA & WEBSOCKETS · DAY 008

Offsets and commits: a practical Kafka & WebSockets guide

Expona Admin · Oct 27, 2026 · 8 min read

Auto-commit can lose events: what developers should know

KAFKA & WEBSOCKETS · DAY 009

Auto-commit can lose events: what developers should know

Expona Admin · Oct 27, 2026 · 9 min read

Delivery semantics explained: what developers should know

KAFKA & WEBSOCKETS · DAY 010

Delivery semantics explained: what developers should know

Expona Admin · Oct 27, 2026 · 10 min read

Enable the idempotent producer: best practices explained

KAFKA & WEBSOCKETS · DAY 011

Enable the idempotent producer: best practices explained

Expona Admin · Oct 27, 2026 · 7 min read

Producer settings that matter: best practices explained

KAFKA & WEBSOCKETS · DAY 012

Producer settings that matter: best practices explained

Expona Admin · Oct 27, 2026 · 8 min read