ARCHITECT BIBLE
Architecture & DevOps
4.98
Full-Stack SaaS Architecture Handbook
From Monolithic Prototype to Multi-Tenant Scalable Cloud Infrastructure
Format: PDF Guide + Docker Stacks
Length: 74 Pages
Downloads: 12,850+
Guide Overview
The complete engineering blueprint for building, securing, and scaling subscription SaaS applications. Covers multi-tenant database partitioning, JWT authentication with refresh token rotations, background worker queues, Stripe/Razorpay webhook idempotency, and automated zero-downtime CI/CD deployment pipelines.
What's Inside This Guide
Multi-tenant database architectures: Shared schema vs Row-level security (RLS) vs Separate DBs
Production Auth: Secure httpOnly cookies, CSRF protection, and role-based access control (RBAC)
Webhook reliability: Designing idempotent handlers that never double-charge or fail silently
Redis worker queues: Offloading heavy email, export, and image processing jobs
Zero-downtime deployment: Health checks, database migration locks, and rolling updates
Complete Table of Contents
- Tenancy isolation strategies
- PostgreSQL Row Level Security (RLS)
- Foreign key indexing for high concurrency
- Audit logs and data retention policies
- Session tokens vs Stateless JWTs
- httpOnly SameSite cookies
- Superadmin, Owner, and Member roles
- Passwordless email magic links and 2FA
- Stripe & Razorpay lifecycle states
- Handling invoice.payment_failed and dunning
- Grace periods and access revocation
- Webhook signature verification and idempotency keys
- Redis message queues with Redis/BullMQ
- Worker error retry backoffs with jitter
- Exporting large customer CSV/PDF datasets
- Real-time WebSocket event notifications
- Docker multi-stage production builds
- Database migration safety in CI/CD
- Structured JSON logging and distributed tracing
- Uptime monitoring and auto-healing healthchecks
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