Step-by-step tutorial to build an MCP server in TypeScript with @modelcontextprotocol/sdk and Zod. Three tools, stdio transport, Inspector debugging, Claude Desktop/Cursor integration, and npm publish.
Deploy a private ChatGPT alternative with Open WebUI and Ollama. Complete Docker Compose setup with model selection, RAG document upload, web search, multi-user config, and security hardening.
TDD doesn't work on non-deterministic LLM outputs. Eval-driven development is the analog: paired prompt-expectation sets, rule-based or LLM-judge scoring, run as a regression suite on every change. Tools (promptfoo, Braintrust, OpenAI Evals), real customer-support example, and what evals catch that code review misses.
Network firewalls filter by IP and port at Layer 3/4. WAFs inspect HTTP content at Layer 7. Learn when you need each and how to configure them together.
India-specific CDN benchmarks from 8 cities across Jio, Airtel, BSNL, and Vi comparing Cloudflare, CloudFront, Google CDN, Fastly, Bunny CDN, and KeyCDN with TTFB data and INR pricing including GST.
A practical guide to caching techniques including Redis, CDN caching, database caching, and application-level strategies.
Hetzner wins on price (EUR 129/mo AX102 with 20 TB bandwidth), Latitude.sh on API polish, Equinix Metal on interconnect, OVH on EU sovereignty, Vultr on integrated K8s. Real 2026 pricing, egress math, and the decision matrix for bare metal cloud.
Cloudflare, AWS WAF, Akamai, and Imperva compared on pricing, OWASP detection, bot management, API security, and rule-writing ergonomics. Real attack-replay results, honest weaknesses, and a buyer decision matrix.
Enterprise APM pricing and feature comparison for Datadog, New Relic, and Dynatrace at 100-service, 200-host scale. Real 2026 figures, DPS licensing, AI-assisted RCA depth, OTel support, and a migration-off-Datadog playbook that cuts spend 50-70%.
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