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Real Domains

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Real Domains April 22, 2026 11 min read

Real Cases — Microservices From the Field, with Code

A set of real-world microservices case studies from fintech, banking, and highload consumer products — what problem each team faced, which approach they picked, and the code that actually shipped.

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Real Domains April 9, 2026 12 min read

Logging & Debugging Patterns — A Practical Guide

The practical patterns for logging and debugging distributed Java systems — what to log, what never to log, how to make logs useful at 3 AM, and the debugging techniques that actually work when the bug only reproduces in production.

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Real Domains May 13, 2025 4 min read

Gradle Multi-Module Projects — A Practical Setup

The structure and conventions that make Gradle multi-module projects maintainable as they grow — module boundaries, build logic reuse, and the traps to avoid.

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Real Domains December 9, 2024 5 min read

SRE for Small Teams — What Actually Pays Back

Google's SRE book is 500 pages long and targets 100-engineer orgs. For a 10-person team, the pragmatic subset that delivers most of the benefit at a fraction of the cost.

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