Architecture & Patterns

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

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Inside Architecture & Patterns

System Design & Scalability Capacity planning, sharding, multi-region, and cost/perf trade-offs. Domain-Driven & Hexagonal Bounded contexts, ports/adapters, and maintainable system structure. Resilience & Caching Circuit breakers, retries/backoff, bulkheads, and caching strategies. API Design & Governance Naming, pagination, filtering, errors, versioning, and style guides at scale.

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dev.to > rykiel-dev > i-built-a-multi-region-pilot-light-on-aws-the-diagram-was-the-easy-part-ebi

I Built a Multi-Region Pilot Light on AWS. The Diagram Was the Easy Part.

23+ min ago   (21+ words) Most disaster recovery write-ups stop at the diagram. You get two boxes, an arrow labelled... Tagged with aws, terraform, devops, architecture....


dev.to > baba_yaga_dee9f44c728109e > redis-vs-memcached-complete-comparison-2kg6

Redis vs Memcached: Complete Comparison

34+ min ago   (942+ words) In the high-stakes world of modern application development, performance and scalability are paramount. Developers and architects constantly seek robust solutions to reduce database load, accelerate data retrieval, and enhance user experience. Two names frequently emerge at the forefront of in-memory…...


dev.to > aniketsoni > stop-trying-to-make-airflow-work-for-medallion-pipelines-15ge

Stop trying to make Airflow work for Medallion pipelines

37+ min ago   (318+ words) The "universal orchestrator" is a myth that keeps data engineers awake at 3:00 AM chasing zombie DAGs... Tagged with data, airflow, databricks, aws....


dev.to > marek_builds > -beyond-transformers-a-mathematical-critique-of-cross-lingual-diffusion-architectures-ng7

# Beyond Transformers: A Mathematical Critique of Cross-Lingual Diffusion Architectures

1+ hour, 55+ min ago   (424+ words) The current state of multilingual NLP is dominated by transformer-based architectures that often treat cross-lingual alignment as a secondary optimization task. For researchers and engineers working with low-resource languages or requiring strict semantic preservation, the "black box" nature of proprietary…...


dev.to > agenticstack > architectural-breakdown-i-built-a-green-blob-that-lives-on-my-desktop-now-it-has-feelings-3ehc

Architectural Breakdown: i built a green blob that lives on my desktop. now it has feelings.

1+ hour, 52+ min ago   (118+ words) class MoodLabel(Enum): CONTENT = "content" CURIOUS = "curious" PLAYFUL = "playful" ANXIOUS = "anxious" SLEEPY = "sleepy" IRRIATED = "irritated" LOVING = "loving" MELANCHOLIC = "melancholic" @dataclass class AffectVector: valence: float = 0.0 # -1.0 to +1.0 emotional axis arousal: float = 0.5 # 0.0 to 1.0 activation level dominance: float = 0.5 # 0.0 to 1.0 sense of control novelty_seeking: float = 0.5 # 0.0 to…...


dev.to > miruky > build-a-dynamodb-outbox-and-an-idempotent-sqs-consumer-in-the-console-1e2b

Build a DynamoDB Outbox and an Idempotent SQS Consumer in the Console

1+ hour, 59+ min ago   (1251+ words) Introduction Hi, I'm miruky. A database commit can succeed while the caller believes... Tagged with aws, serverless, dynamodb, tutorial....


dev.to > stark_zhuang_df5076f35c68 > 1551-elasticsearch-and-1462-memcached-endpoints-two-cache-layers-with-different-defaults-4eo6

1,551 Elasticsearch and 1,462 Memcached Endpoints: Two Cache Layers With Different Defaults

3+ hour, 34+ min ago   (836+ words) Two ZoomEye host searches collected on 18 September 2026 returned 1,551 observable services on port 9200 and 1,462 on port 11211. Port 9200 is Elasticsearch's HTTP interface. Port 11211 is Memcached's default listener. The counts are similar; the security stories are not. Elasticsearch: authentication that became a default…...


dev.to > rafaelbernard > permissions-and-authorisation-a-practical-playbook-bo

Permissions and Authorisation: A Practical Playbook

3+ hour, 22+ min ago   (808+ words) Authorisation is a domain capability, not a collection of scattered endpoint conditionals. For every protected operation, decide consistently whether a verified principal may perform a business action on a specific resource in a defined context—and enforce that decision server-side…...


dev.to > lathelive > we-wanted-a-vercel-supabase-alternative-without-becoming-full-time-devops-1e7f

We wanted a Vercel + Supabase alternative without becoming full-time DevOps

3+ hour, 36+ min ago   (986+ words) When we started building small products, Vercel plus Supabase looked like the obvious stack. It was a good way to get moving. The frontend deployed quickly. Postgres and auth were ready. We did not need to think about servers. Then…...


dev.to > mskazemi > a-25-verifier-panel-measured-an-effective-size-of-100-lgg

A 25-verifier panel measured an effective size of 1.00

4+ hour, 4+ min ago   (474+ words) Generation got cheap. Trustworthy review did not. So we add reviewers. More eyes on the PR, more verifiers in the gate, a panel of LLM judges instead of one. The assumption underneath is that each additional reviewer adds independent evidence....