Cloud & DevOps11 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.
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685 posts · Page 12 of 58
Cloud & DevOps11 min
Add Prometheus metrics to a Node.js + Express app with prom-client: a /metrics endpoint, custom counters and histograms, and safe low-cardinality labels.
Security & Privacy11 min
AI coding tools hit 97% enterprise adoption in 2026, but only 30% of teams fully govern them. Inside the AI coding governance gap, its risks, and the fix.
LLM & Integration16 min
Token-aware text chunking for RAG in TypeScript: recursive splitting with @langchain/textsplitters and js-tiktoken, plus chunk size and overlap tuning.
AI & Machine Learning12 min
OpenAI unveiled Jalapeño, its first custom AI chip — an LLM inference ASIC co-designed with Broadcom in nine months to reduce its reliance on Nvidia GPUs.
Backend Development16 min
Implement Postgres row-level security for multi-tenant apps with node-postgres: enable RLS, write current_setting policies, and avoid the pool-leak footgun.
Epoch AI's FrontierMath v2 fixed errors in 42% of problems on June 12, 2026. Here's what broke, how it was caught, and what it means for trusting AI benchmarks.
Cloud & DevOps11 min
Reusable workflow vs composite action in GitHub Actions: jobs vs steps, secrets, nesting limits, and outputs—plus exactly when to use each, with YAML.
Frontend Development10 min
Build type-safe React forms with React Hook Form 7 and Zod 4: zodResolver setup, register vs Controller, and the z.coerce type-error fix. All runnable.
LLM & Integration17 min
Count OpenAI tokens in TypeScript with gpt-tokenizer - no WASM, no API key. Count chat messages accurately and trim history to fit the model context window.
Cloud & DevOps12 min
Debug a no-shell distroless pod with kubectl debug and ephemeral containers: the --target flag, /proc filesystem access, and CrashLoopBackOff pod copies.
OpenCode is the open-source, terminal-first AI coding agent with 178K GitHub stars and 75+ model providers. What it is, how it works, and how to start.
Backend Development11 min
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.