Tag

#nodejs

32 posts

AI & Machine LearningSeptember 30, 202637 min
MCP Events Tutorial: Build a Webhook Server (2026)
MCP Events tutorial: a tested Node.js webhook server with events/subscribe, Standard Webhooks signing and challenge checks. The SDKs I checked lack it.
Backend DevelopmentAugust 3, 202621 min
BullMQ Worker Not Processing Jobs? Fix It (2026)
BullMQ worker not processing jobs? Work through queue name and prefix, maxRetriesPerRequest, stalled-job locks, and the v6 ioredis peer dependency change.
LLM & IntegrationJuly 8, 202617 min
Semantic Cache for LLM Calls with Redis Vector Sets (2026)
Build a semantic cache for LLM calls with Redis 8's native VADD/VSIM vector sets in Node.js and TypeScript — cache hits on paraphrases, not just exact text.
Backend DevelopmentJuly 1, 202612 min
Correlation IDs in Node.js with AsyncLocalStorage (2026)
Add a correlation ID to every log line in Node.js with built-in AsyncLocalStorage and Express — typed, zero-dependency, plus pino and downstream propagation.
Backend DevelopmentJune 30, 202617 min
Node.js Circuit Breakers with opossum + TypeScript (2026)
Build a production Node.js circuit breaker in TypeScript with opossum: closed, open, half-open states, fallbacks, errorFilter, timeouts, and verified output.
Cloud & DevOpsJune 29, 202611 min
Custom Prometheus Metrics in Node.js + Express (2026)
Add Prometheus metrics to a Node.js + Express app with prom-client: a /metrics endpoint, custom counters and histograms, and safe low-cardinality labels.
Backend DevelopmentJune 24, 202611 min
Drizzle ORM Relational Queries: db.query Guide (2026)
Query nested relations in Drizzle ORM with db.query and the with operator: filter and limit child rows, run many-to-many joins, plus the v1 vs v2 changes.
Cloud & DevOpsJune 21, 202617 min
Deploy a Node.js App to a VPS with Kamal 2 (2026)
Deploy a Node.js app to a VPS with Kamal 2: a from-scratch Docker setup with zero-downtime deploys, automatic Let's Encrypt SSL, and a Postgres accessory.
Backend DevelopmentJune 16, 202614 min
Valkey with Node.js and TypeScript: 2026 Setup Guide
Connect Valkey from Node.js and TypeScript with the iovalkey client: Docker setup, typed caching, pipelines, pub/sub, error handling, and graceful shutdown.
Backend DevelopmentJune 14, 202618 min
gRPC in Node.js and TypeScript: Production Guide (2026)
Build a typed, production gRPC service in Node.js and TypeScript: server streaming, deadlines, the error model, and health checks. Runnable 2026 guide.
Cloud & DevOpsJune 13, 202615 min
OpenTelemetry Collector + Node.js Tracing Tutorial (2026)
Instrument a Node.js app with OpenTelemetry, run the Collector and Jaeger v2 in Docker, and view distributed traces. Every version pinned and verified, 2026.
Backend DevelopmentJune 10, 202616 min
Cursor Pagination in Postgres with Node.js (2026)
Build fast cursor pagination on Postgres with Node.js and TypeScript: keyset queries, a compound (created_at, id) tiebreaker, and opaque base64url cursors.

Every post in #nodejs (32)