Books

One Server, Three Languages

Learn C, Go and Rust by building the same server three times

C17 · Go 1.27 · Rust 1.99
One server, built three times
70 exercises with solutions
101-row scorecard
Part V: Rust from first principles
Part VI: kernels and drivers

Build one Redis-compatible server in C, Go and Rust, and learn when to choose each. Then go under it, to a small kernel and a driver in C and Rust.

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Computer Networks: The Sorting Office

Eighty years of networks, told through one Friday outage

ARPANET to Kubernetes
AWS and Azure names
125 named traps
69 diagrams
No code, no labs

Follow one weekend outage layer by layer, with the history of why each piece exists.

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Maintainable Playwright Tests

Data-driven, DRY, multi-locale end-to-end tests with TypeScript

Playwright 1.63 · TypeScript 7
en-GB · en-US · de-DE · ja-JP
43 named traps
15 diagrams
Every snippet type-checked

Rebuild a multi-market insurance quote suite the Playwright way, one broken test at a time.

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Cybersecurity: The Keep

How each security control works, from the wax seal to AI

Ciphers to zero trust and AI
Microsoft · AWS · Google · IBM
204 named traps
37 diagrams
Laptop-only demos

Secure one small savings app, from its first leaked spreadsheet to a weekend incident response.

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DDD and Microservices: The Atlas

Domain-driven design and microservices, with their traps

DDD · hexagonal · CQRS · sagas
Java 21 snippets
114 named traps
30 diagrams
Second edition

Split a monolith badly, then draw the right borders with DDD, events and sagas.

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System Design: The Depot

Scaling, data and staying up under real load

Scale · data · reliability
Java 21 and SQL snippets
91 named traps
31 diagrams
One set of numbers throughout

Take one online shop from quiet to half a million users at 09:00, with numbers.

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Software Architecture: The Town Plan

Choosing an architecture and keeping it true

Nine styles compared
Decision records · C4 · fitness functions
69 named traps
37 diagrams
Java 21 snippets

Choose an architecture for an inherited system, record the decisions, and keep them true.

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From Docker to Kubernetes

A short story from one container to a self-running cluster, with the commands that matter

Docker 27 · Kubernetes 1.37
Helm · Istio · Prometheus · Argo CD
55 diagrams · 60 gotchas
New: two deep manuals
⌘K search

Ship one small app from a single container to a self-running cluster.

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AWS for Azure Architects and Developers

Design enterprise AWS systems end to end, whatever you know of Azure

AWS as of September 2026
Terraform 1.16 · Java 25
125 figures with official icons

Learn AWS on its own terms, with Azure as a bridge, through one payments platform.

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GOV.UK Stack, Fast

Nunjucks, Express and Fastify, GOV.UK Frontend and CASA for React and .NET developers

GOV.UK Frontend 6.5
Express 5 · Fastify 5
CASA 10, optional

Map what you know from React and .NET onto a UK government service stack.

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GitLab CI/CD, Decoded

Write, read and fix your team's pipeline, from commit to cluster

GitLab 19.3
Handbook in an hour
Node, Java and OpenTofu labs
Flux and Argo CD
AWS and Azure

Read, write and fix any GitLab pipeline: a one-hour handbook plus a full textbook.

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Java for C# Developers

A working handbook for .NET engineers moving to Java and Spring Boot

Java 25 LTS
.NET 10 · C# 14
Spring Boot 3 & 4
Sibling: The Order Service, in depth

Where your C# instincts carry over to Java, and where they are confidently wrong.

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The Order Service: Java and Spring Boot in depth

One DDD microservice, every mechanism explained, for C# developers

Spring Boot 4.1 · Java 25
One order service, 36 chapters
164 design questions, answered from 19 principles
Companion code, built and tested

Build one DDD order service in Spring Boot, and understand every mechanism it relies on. Then drill the design questions experienced teams ask, each answered from a principle.

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