--- title: "Production Comes First - An Outside-In Approach to Building Microservices by Martin Thwaites" url: https://daily.dev/posts/production-comes-first---an-outside-in-approach-to-building-microservices-by-martin-thwaites-k18br2vxy source_url: https://www.infoq.com/news/2024/04/qcon-london-outsidein-testing/ type: article source: "InfoQ" published: 2024-04-21T10:00:53.403Z updated: 2024-05-09T09:09:48.658Z tags: ["testing", "microservices", "observability", "tdd"] reading_time: 4 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Production Comes First - An Outside-In Approach to Building Microservices by Martin Thwaites **[InfoQ](https://daily.dev/sources/infoq)** · 4 min read · 0 upvotes · 0 comments ## Summary The post discusses an outside-in approach to building microservices by prioritizing understanding the interconnections among system components. It emphasizes Test-Driven Development (TDD) principles, writing tests before code, and testing against production behaviors. Observability techniques help in monitoring and verifying system behavior in a manner similar to its operation in production. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#testing](https://daily.dev/tags/testing), [#microservices](https://daily.dev/tags/microservices), [#observability](https://daily.dev/tags/observability), [#tdd](https://daily.dev/tags/tdd) [View this post on daily.dev](https://daily.dev/posts/production-comes-first---an-outside-in-approach-to-building-microservices-by-martin-thwaites-k18br2vxy)