architecture

Keep identity reads in DynamoDB, route arbitrary sort, filters, facets, and full text to a zero-ETL OpenSearch read model, and know when one PostgreSQL beats both.

dynamodb · aws · architecture +2

How AWS Dogwood adds temporal conditions to Cedar policies, lowers them back to plain Cedar, and enforces agent guardrails at the Amazon Bedrock AgentCore gateway.

authorization · security · ai-agents +2

Before building an internal service layer, decide whether you need one: what it costs per call, the volume where VPC Lattice wins, and when direct invoke still beats it.

aws · aws-cdk · lambda +4

A private REST API structurally cannot carry gRPC, and every AWS surface that speaks gRPC excludes Lambda targets. What to keep from gRPC, and what to drop.

aws · aws-cdk · lambda +4

The private REST API, the resource policy that switches it on, per-route AWS_IAM grants, the two CDK stacks, and signing the call from a Node 22 Lambda.

aws · aws-cdk · lambda +4

SigV4 proves which service is calling and nothing about which user it is for. How to propagate a verified subject, and what the transport actually encrypts.

aws · aws-cdk · lambda +4

Same-account, the resource policy and the caller's identity policy are an OR. Cross-account they become an AND, and silence denies. What that changes in the perimeter.

aws · aws-cdk · lambda +4

API Gateway shares one throttle bucket with your front door, never retries a Lambda integration, and cannot see loops through itself. What you have to rebuild.

aws · aws-cdk · lambda +4

The access log already names the caller, route, and latency. Per-route metrics are not free, the user token needs masking, and AWS is switching off its own mesh.

aws · aws-cdk · lambda +4

A lifecycle test for CDK stack layout: give a resource its own long-lived stack when it outlives any single deployer, then reach it by a well-known name.

aws-cdk · infrastructure-as-code · typescript +3

Server-Driven UI is the mobile analog of server-side composition. The hard part is not JSON rendering but a versioned component contract that survives old app versions.

mobile · react-native · architecture

How high-performing teams shrink the lead time from code-complete to live in production, without trading away security or code quality. A guide for tech leads.

ci-cd · devops · dora-metrics +2

How high-performing teams keep security review from becoming a lead-time bottleneck: shift-left automation, risk-based gates, a paved road, dependency cadence.

ci-cd · devops · security +3

A mobile binary can't be rolled back and old versions linger, so safety and speed move server-side: a BFF, consumer-driven contracts, and backward-compatible versioning.

mobile · api-design · testing +1

How a frontend platform team makes the right way the easy way: golden-path scaffolding, versioned shared packages, and a task CLI that removes per-team drift.

platform-engineering · developer-experience · build-tools +1

A presentation service is the thin backend behind a UI fragment. Ports-and-adapters keeps it from rotting into glue code by pointing dependencies inward.

architecture · nodejs · typescript +3

Server-side micro-frontend composition lets independent teams own fragments of one page. The hard part is the ownership boundary and the versioned consistency contract.

build-tools · architecture · nextjs +2

Match architecture weight to each runtime's init-amortization: lean handlers on single-purpose Lambda, more on a Lambdalith, full OOP/DI only on long-lived runtimes.

architecture · lambda · serverless +3

How to slice AWS Lambda functions: default to single-purpose, treat the single-domain Lambdalith as an earned exception, and the platform forces that decide it.

lambda · serverless · architecture +2

What Aurora Serverless v2 is under the hood: the shared storage layer, ACU-driven compute, the Caspian substrate, scale-to-zero, and mixed-mode clusters.

aws · data-storage-orm · architecture +1

A stack-agnostic map of WebAssembly's three bets (browser performance, server-side WASI, edge compute) so you can tell which one a Wasm talk is about.

webassembly · edge-computing · architecture

An exploration thesis: vendor lock-in in event-driven systems lives in the bus topology, not the runtime, and wasmCloud plus NATS make the bus portable.

webassembly · messaging · event-driven +3

A pragmatic guide for designers working with async backends: three interaction patterns, when to use each, and four anti-patterns to push back against.

event-driven · state-management · design-patterns +2

How Zapier MCP gives AI agents action-level whitelisting, credential isolation, and human-in-the-loop approval, a managed alternative to custom scoped proxies.

mcp · security · ai-agents +4

Copying Claude Code configurations causes context window bloat, degraded tool selection, and mismatched workflows. Build setups intentionally with token budget math.

developer-experience · ai-tools · productivity +2

Build SaaS authorization with AWS Cognito and Verified Permissions, covering Cedar policies, multi-tenant patterns, JWT flow, and cost in TypeScript.

authorization · aws · authentication +4

A vendor-neutral evaluation of AWS Verified Permissions, SpiceDB, OpenFGA, Cerbos, and OPA, with architecture patterns, cost analysis, and a decision framework.

authorization · security · architecture +4

A deep comparison of Cedar, Rego, OpenFGA DSL, and Cerbos YAML/CEL policy languages: syntax, performance, formal verification, tooling, and TypeScript integration.

authorization · security · architecture +2

A deep technical comparison of SpiceDB and Auth0 FGA (OpenFGA), two Zanzibar-inspired systems with different trade-offs in schema, consistency, deployment, and scale.

authorization · security · architecture +3

Authentication vs authorization, common permission pitfalls, the fail-closed principle, and the goals every permission system should meet.

typescript · nextjs · authorization +2

Refactor scattered permission checks into a centralized service layer, add Next.js middleware guards, and build a defense-in-depth authorization architecture.

typescript · nextjs · authorization +2

Build a type-safe RBAC system in TypeScript, create a unified can() function, sync permissions across UI and backend, and learn when RBAC reaches its limits.

typescript · nextjs · authorization +2

Build an ABAC policy engine in TypeScript with the builder pattern, conditional permissions, and type-safe policy evaluation that replaces RBAC's limitations.

typescript · nextjs · authorization +2

Extend ABAC with environment-based rules, field-level read and write permissions, and automatic database query filtering that eliminates duplicate permission logic.

typescript · nextjs · authorization +2

Add multi-tenant isolation to your permission system, evaluate CASL as a library alternative, and use decision frameworks to choose the right authorization architecture.

typescript · nextjs · authorization +3

Why production teams replace broad MCP access with scoped API proxies. Atlassian, Google Workspace, and Notion via FastAPI proxy, CLI wrapper, and n8n.

mcp · api-design · python +4

Enterprise patterns for Model Context Protocol: tool composition, multi-agent orchestration, role-based access control, and production observability.

mcp · ai-adoption-strategy · authorization +4

A practical comparison of TypeScript AI SDKs for building agents: Vercel AI SDK, OpenAI Agents SDK, and AWS Bedrock, with code examples and decision frameworks.

typescript · ai-tools · serverless +4

How SOLID principles apply to modern JavaScript: practical examples with TypeScript, React hooks, and functional patterns, plus when they're overkill.

typescript · javascript · react +4

A practical guide to multi-tier caching: in-memory, Redis, and CDN layers, cache-aside vs write-through, ElastiCache vs MemoryDB, and stampede prevention.

caching · redis · aws +4

Securing AI agents in production with AWS Bedrock Guardrails, defense-in-depth, and patterns that prevent prompt injection, tool misuse, and multi-agent attacks.

ai-agents · aws-bedrock · security +3

Implement secure cross-account event distribution with Amazon SNS and SQS: IAM policies, KMS encryption, AWS CDK, and common production pitfalls.

aws · sns · sqs +6

The architectural evolution from rule-based chatbots to autonomous AI agents, covering ReAct, Plan-and-Execute, and multi-agent patterns in TypeScript.

ai-agents · llm · architecture +2

A guide to Aurora architecture, I/O cost analysis, and when to choose it over RDS, with migration strategies and real-world decision frameworks.

aws · data-storage-orm · postgresql +3

When to use service-based, domain-based, feature-based, or layer-based organization in AWS CDK projects, with decision frameworks and common pitfalls.

aws-cdk · typescript · infrastructure-as-code +3

A technical comparison of MQTT, AMQP, ZeroMQ, CoAP, and DDS for IoT logistics: fleet tracking, cold chain monitoring, and real-time device communication.

messaging · industry-trends · real-time +2

How Singleton, Factory, Builder, and Prototype patterns evolved in TypeScript: when ES modules replace singletons and when factory functions beat classes.

typescript · design-patterns · architecture +1

How Decorator, Adapter, Facade, Composite, and Proxy patterns evolved in React and TypeScript: when HOCs give way to hooks and how adapters isolate third-party APIs.

typescript · react · design-patterns +2

A comprehensive introduction to Domain-Driven Design: core concepts, building blocks, strategic patterns, and when and how to apply DDD in practice.

domain-driven-design · architecture · design-patterns +2

A hands-on guide to Event Storming: what it is, how to facilitate sessions effectively, and when to use this workshop technique for domain modeling.

domain-driven-design · architecture · agile +1

A practical guide to implementing customer relationship management using event sourcing, CQRS, and event-driven patterns for marketing automation and consent management

event-driven · architecture · microservices +3

A foundational guide to key-value storage: what it is, where it fits, why teams choose it, and which solutions ship with which technology stacks.

redis · dynamodb · caching +4

A section-by-section guide to technical RFCs: what each part has to establish, what reviewers look for, and where proposals stall in review.

rfc · documentation · architecture +3

How Arnold Mindell's Deep Democracy principles transform technical decision-making, build psychological safety, and ensure every voice strengthens architecture.

psychological-safety · team-management · team-dynamics +4

Recognizing distributed monoliths, strategic service consolidation, and the honest reality of moving back to a modular monolith when complexity grows.

microservices · architecture · distributed-systems +2

Where RFC designs diverge from production reality, using notification systems as the worked example, and how to tell useful adaptation from architectural drift.

rfc · production · debugging +4

Design patterns, database schemas, and architectural decisions for building enterprise notification systems that handle millions of users

typescript · postgresql · architecture +4

Practical guidance on RFC structure, stakeholder review, and turning technical debates into decisions a team actually keeps.

rfc · documentation · architecture +3

Advanced AWS Lambda patterns and cost optimization: Lambda Layers, VPC configuration, cross-account execution, and architectural decisions.

lambda · serverless · cost-optimization +5

When a Lambda fleet outgrows Middy's static middleware model, how a project-specific engine handles per-request config, and what owning one costs

lambda · middleware · performance +6

Discover how Middy transforms Lambda development with middleware patterns, moving from repetitive boilerplate to clean, maintainable serverless functions

lambda · middleware · serverless +5

Implementing the Circuit Breaker pattern in TypeScript: three states, timeout sizing against P99 latency, and threshold defaults per dependency type

architecture · design-patterns · reliability +1

A practical CQRS implementation with AWS Lambda, EventBridge, and DynamoDB, covering event sourcing, eventual consistency, and distributed debugging.

architecture · dynamodb · event-driven +3

Choose the right database across SQL, NoSQL, NewSQL, and edge options: the trade-offs of each category, selection criteria, and a decision framework.

data-storage-orm · postgresql · redis +6

Documentation debt can slow teams faster than technical debt. A guide to treating docs as critical infrastructure and scaling knowledge across engineering teams.

documentation · rfc · team-management +3

A deep dive into event-driven tools: Kafka, SQS, and EventBridge, message delivery patterns, DLQ strategies, and their AWS, Azure, and GCP equivalents.

architecture · cloud-providers · messaging +4

A practical guide to evolving Node.js monoliths into event-driven serverless functions, with migration strategies and proven architectural patterns.

event-driven · architecture · nodejs +1

Multi-account AWS architecture patterns for resilient event-driven systems: account structure, EventBridge routing, and cross-service communication.

aws · eventbridge · multi-account +5