Practical articles about software, technology, and engineering.

OpenStair engineering writing on Flutter, backend systems, documentation, product architecture, open source, and production software delivery.

All articles

Illustration of modular software architecture layers connected across a production system
Architecture

When Should You Split a Monolith Into Services?

September 27, 2025 · 17 min read

A practical engineering guide to evaluating monolith decomposition: the 5 valid architectural drivers, distributed monolith risks, Strangler Fig pattern, and data boundaries.

Software ArchitectureMicroservicesModular MonolithDistributed Systems
Architectural comparison between Monolith, Modular Monolith, and Microservices topologies
Architecture

Monolith vs Modular Monolith vs Microservices

September 26, 2025 · 16 min read

An architectural guide comparing traditional monoliths, modular monoliths, and microservices: boundaries, consistency, Conway's law, and migration.

Software ArchitectureMicroservicesModular MonolithSystem Design
Illustration of logs, metrics, traces, and alerts feeding an observability dashboard
Backend

Backend Observability: Logs, Metrics, Traces, and Alerts

September 23, 2025 · 18 min read

A comprehensive engineering guide to backend observability: RED and USE metrics, structured logging, OpenTelemetry distributed tracing, tail sampling, and SRE error budget alerting.

BackendAPIsSoftware EngineeringArchitecture