Architecture & Patterns

System design, microservices vs monoliths, event-driven architectures, DDD, and resilient patterns.

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dev.to > prabhasg56 > react-native-environment-setup-managing-dev-prod-and-staging-builds-with-android-flavors-and-ios-1j2e

React Native Environment Setup: Managing Dev, Prod, and Staging Builds with Android Flavors and iOS Schemes

7+ min ago   (1634+ words) If you've worked on a React Native app that has both development and production environments, you probably know how quickly environment management becomes annoying. At the beginning, it usually looks simple: Then the app grows. Suddenly, you have different: And…...


dev.to > sindhuja_sudhakar > when-ai-agents-hammer-toolslist-building-a-caching-aware-mcp-server-sep-2549-38k6

When AI Agents Hammer tools/list: Building a Caching-Aware MCP Server (SEP-2549)

19+ min ago   (555+ words) Part 2 of 2. Part 1 covered statelessness; here I tackle caching. This isn't hypothetical. When I pointed GitHub Copilot CLI at my server, it fired nine tools/list calls in ~40 seconds in one short session — plus repeated re-initializes. That's the storm SEP…...


dev.to > rakeshranderia > file-share-access-reviews-why-ownership-matters-more-than-another-acl-export-31d4

File Share Access Reviews: Why Ownership Matters More Than Another ACL Export

28+ min ago   (665+ words) Traditional Windows file shares are easy to underestimate. The permissions are visible. Active Directory groups exist. NTFS ACLs can be exported. On paper, that can look like access governance. In practice, the difficult question is usually not: Who is accountable…...


dev.to > apsis-cc > observabilidade-o-que-e-metricas-vs-logs-vs-traces-e-a-stack-prometheus-loki-grafana-2136

Observabilidade - o que é, métricas vs logs vs traces e a stack Prometheus + Loki + Grafana

33+ min ago   (313+ words) Por muito tempo, "monitorar" um sistema significava basicamente uma coisa: configurar alguns alertas (CPU alta, disco cheio, processo caiu) e torcer para que eles cubram os problemas que realmente vão acontecer. Isso funciona enquanto o sistema é simples e as…...


dev.to > peeyushkmisra > your-ai-agent-can-call-apis-now-5hi9

Your AI Agent Can Call APIs Now

24+ min ago   (954+ words) Who Is Checking What It Does? The real problem with agentic AI isn't giving an LLM tools. It's controlling what happens after you give it access. Imagine you give an AI agent access to: And then you tell it: "Fix…...


dev.to > megapixel99 > a-determinism-check-has-to-leave-the-process-3ink

A Determinism Check Has to Leave the Process

48+ min ago   (1536+ words) Code: Megapixel99/nondet The obvious way to check whether a Python function is deterministic is to call it twice and compare. I wrote that check, and it is blind to the commonest source of nondeterminism in the language. String hashing is…...


dev.to > williamchiu > stage-5-of-enterprise-ai-adoption-governance-hardening-3f40

Stage 5 of enterprise AI adoption: governance hardening

51+ min ago   (502+ words) This is part 5 of a series that started with the full reference diagram in part 0, covered identity... Tagged with ai, architecture, enterprise, governance....


dev.to > lukman-ss > database-transactions-are-a-boundary-not-a-safety-blanket-1d9m

Database Transactions Are a Boundary, Not a Safety Blanket

1+ hour, 23+ min ago   (783+ words) The uncomfortable part of a failed payment flow is not always the error. Sometimes the function returns an error and the database still keeps half of the work. That is the failure Lab 03 demonstrates. A payment is inserted. The order…...


dev.to > earlgreyhot1701d > nova-adiutrix-my-second-agent-built-my-first-projects-to-do-list-3gb

Nova Adiutrix: My Second Agent Built My First Project's To-Do List

1+ hour, 32+ min ago   (952+ words) TL;DR: I shipped the second project in my AWS nanodegree, an AI support agent on Amazon Bedrock.... Tagged with ai, aws, agents, learning....


dev.to > zackary_lvseth_d494d598e > fliproom-a-room-changeover-is-a-content-problem-1kj7

Fliproom: a room changeover is a content problem

1+ hour, 39+ min ago   (237+ words) Built for Sanity Challenge, Path Two. What I Built Fliproom turns a room changeover into... Tagged with devchallenge, sanitychallenge, sanity, ai....