Articles by Bruno Souza, in English.https://brunosouzas.com/enhttps://brunosouzas.com/blog/integration-patterns-in-mulesoft/https://brunosouzas.com/blog/integration-patterns-in-mulesoft/Scatter-Gather, Choice, For Each and the Anypoint MQ dead letter queue come from the book Enterprise Integration Patterns. Knowing the name of the pattern shows the problem the component solves, what it costs and when you can do without it.Thu, 15 Oct 2026 00:00:00 GMThttps://brunosouzas.com/blog/write-in-obsidian-publish-on-your-site/https://brunosouzas.com/blog/write-in-obsidian-publish-on-your-site/A folder in your vault becomes the blog. The note's name becomes the address, the top of the note becomes the page, and the site refuses anything that is wrong. Free, with a ready-made Astro template.Thu, 15 Oct 2026 00:00:00 GMThttps://brunosouzas.com/blog/spec-driven-development-in-practice/https://brunosouzas.com/blog/spec-driven-development-in-practice/A short request, a Mule 4 API and OpenSpec show how a spec reviewed before any code reveals what the request forgot and catches a breaking change.Sat, 10 Oct 2026 00:00:00 GMThttps://brunosouzas.com/blog/ai-writes-code/https://brunosouzas.com/blog/ai-writes-code/What the research says about AI and software development, and why I think fundamentals and review are still the job.Wed, 30 Sep 2026 00:00:00 GMThttps://brunosouzas.com/blog/where-the-work-moves/https://brunosouzas.com/blog/where-the-work-moves/A plausible 200 response, an inactive customer and the rule missing from the requirement.Sun, 27 Sep 2026 00:00:00 GMThttps://brunosouzas.com/blog/circuit-breaker-in-mulesoft/https://brunosouzas.com/blog/circuit-breaker-in-mulesoft/Retry alone turns a degraded backend into an integration outage. A public, measured, tested plugin shows the difference — and what changes once you add replicas on CloudHub 2.0.Fri, 25 Sep 2026 00:00:00 GMThttps://brunosouzas.com/blog/dip-in-mulesoft/https://brunosouzas.com/blog/dip-in-mulesoft/DIP is not externalised configuration. It is the business flow defining the model it needs and adapters conforming to it — shown in Mule 4 with swappable ERP and in-memory implementations.Thu, 24 Sep 2026 00:00:00 GMThttps://brunosouzas.com/blog/isp-in-mulesoft/https://brunosouzas.com/blog/isp-in-mulesoft/One order endpoint that returns everything to everyone, split into consumer-shaped interfaces — and why the strongest argument for ISP in integration is data exposure.Thu, 24 Sep 2026 00:00:00 GMThttps://brunosouzas.com/blog/lsp-in-mulesoft/https://brunosouzas.com/blog/lsp-in-mulesoft/Mule has no inheritance, but LSP still bites: two adapters behind one contract, where the new one keeps the field names and quietly changes their meaning.Thu, 24 Sep 2026 00:00:00 GMThttps://brunosouzas.com/blog/mulesoft-cloudhub-deploy-approvals/https://brunosouzas.com/blog/mulesoft-cloudhub-deploy-approvals/Promote the same Exchange artifact through test, uat and prod on CloudHub 2.0, with approvals on Azure DevOps environments and a smoke test after every deployment.Thu, 24 Sep 2026 00:00:00 GMThttps://brunosouzas.com/blog/mulesoft-gitflow/https://brunosouzas.com/blog/mulesoft-gitflow/Why GitFlow still fits scheduled MuleSoft releases, where it doesn't, and how to turn branch names into pipeline behaviour — with a working reference project.Thu, 24 Sep 2026 00:00:00 GMThttps://brunosouzas.com/blog/mulesoft-maven-release/https://brunosouzas.com/blog/mulesoft-maven-release/release:prepare and release:perform explained step by step, running inside Azure Pipelines — detached HEAD, pushing with the pipeline token, [skip ci] and branch protection.Thu, 24 Sep 2026 00:00:00 GMThttps://brunosouzas.com/blog/mulesoft-pipeline-templates/https://brunosouzas.com/blog/mulesoft-pipeline-templates/How to structure versioned Azure Pipelines templates for Mule applications — stages, jobs and steps, secrets without secure files, and why MUnit is left out of a public pipeline.Thu, 24 Sep 2026 00:00:00 GMThttps://brunosouzas.com/blog/ocp-in-mulesoft/https://brunosouzas.com/blog/ocp-in-mulesoft/Adding a payment method to a Mule 4 app without touching the router — with config-driven dynamic routing, MUnit evidence, and an honest look at the trade-offs.Thu, 24 Sep 2026 00:00:00 GMThttps://brunosouzas.com/blog/solid-in-mulesoft/https://brunosouzas.com/blog/solid-in-mulesoft/A code-backed look at the five SOLID principles in Mule 4 — where each one fits integration work, where it needs translating, and where it stops being useful.Thu, 24 Sep 2026 00:00:00 GMThttps://brunosouzas.com/blog/srp-in-mulesoft/https://brunosouzas.com/blog/srp-in-mulesoft/SRP is not about small flows. It is about grouping logic by the reason it changes — shown with a Mule 4 order flow before and after, with MUnit tests.Thu, 24 Sep 2026 00:00:00 GMT