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Updates, articles, and thoughts on Diagram App.

How to Design AWS Network Topologies

A practical guide to designing production-ready AWS network topologies. Covers VPCs, subnet tiers, security groups, NAT Gateways, Transit Gateway, hybrid connectivity with Direct Connect and VPN, multi-account architecture, PrivateLink, and monitoring with VPC Flow Logs.

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How to Design Azure Network Topologies

A practical guide to Azure networking: Virtual Networks, subnets, NSGs and UDRs, hub-and-spoke topology, Azure Virtual WAN, ExpressRoute, Azure Firewall, Private Endpoints, and Azure Landing Zones for enterprise-scale deployments.

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Best Practices for Cloud Architecture Diagrams

Cloud architecture diagrams are essential for planning, communicating, and maintaining modern systems. This guide covers 14 best practices for creating cloud diagrams that are accurate, readable, and genuinely useful — from standard icons and clear labeling to security representation and keeping diagrams up to date.

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Why I Built Diagram App: A Free, Lightweight, and Private Tool for Cloud Architecture Diagrams

Cloud architecture diagrams are essential for planning systems, communicating ideas, and documenting infrastructure. But most diagramming tools today feel heavier than they need to be — packed with features you don't use, locked behind subscriptions, or slow to load when you just want to sketch an idea. Diagram App was created to solve that problem.

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