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Sharing my experiences, learnings, and adventures in tech and beyond.

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Security

August 20269 min read

Content Security Policy in Next.js: Nonces & strict-dynamic

How I lock down XSS in Next.js with a per-request nonce, strict-dynamic, and a safe Report-Only rollout.

OpenFGA ReBAC: Fine-Grained Multi-Tenant Authorization

Security

August 202610 min read

OpenFGA ReBAC: Fine-Grained Multi-Tenant Authorization

Why RBAC breaks in multi-tenant SaaS and how OpenFGA, the Zanzibar-inspired ReBAC engine, models permissions as relationship tuples checked at the resource level.

Load Testing Node.js APIs with k6 and Grafana Dashboards

DevOps

August 202610 min read

Load Testing Node.js APIs with k6 and Grafana Dashboards

How I load test Node.js APIs with k6 — writing tests, VUs and stages, thresholds as CI gates, streaming to Grafana, and finding the DB connection-pool ceiling.

Podman Quadlets: Replace Docker Compose with systemd

DevOps

August 20269 min read

Podman Quadlets: Replace Docker Compose with systemd

How I moved a self-hosted server off Docker Compose to Podman Quadlets — rootless containers described as native systemd units, with auto-restart, journald logs, and built-in auto-update.

Integration Testing NestJS with Testcontainers and Postgres

Software Development

August 20269 min read

Integration Testing NestJS with Testcontainers and Postgres

Why mocked repositories hide SQL and constraint bugs, and how I run NestJS integration tests against a real throwaway Postgres with Testcontainers and Jest.

August 202610 min read

Context Engineering for LLM Agents: Write, Select, Compress

Why context engineering superseded prompt engineering for production agents in 2025 — the failure modes, the write/select/compress/isolate strategies, and the measurable impact.

Showing 181–186 of 594 posts

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