Security
The Complete API Security Guide
Authenticate, authorize, rate-limit, and harden every API you build or consume. Covers OAuth 2.0, API keys, JWT, HMAC signing, OWASP Top 10 for APIs, and real-world attack patterns.
Infrastructure
Uptime Monitoring Playbook for SaaS Founders
Everything you need to design a reliable monitoring stack: synthetic checks, alerting runbooks, on-call rotations, incident response, and SLA reporting for customers.
Architecture
Webhook Architecture Patterns
Design webhooks that scale: delivery guarantees, retry logic, signature verification, fan-out, idempotency, and the exact patterns used by Stripe, GitHub, and Shopify.
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Business
Developer Tools Business Blueprint
The playbook for building and monetizing developer-facing SaaS: positioning, pricing, free-tier design, docs that convert, PLG growth loops, and the metrics that matter.
Backend
The Cron Jobs Bible
Master scheduled tasks: cron syntax deep-dive, distributed locking, failure detection, idempotent job design, and running reliable background workers on every platform.
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