# AWS Serverless

> Specialized skill for building production-ready serverless applications on AWS. Covers Lambda functions, API Gateway, DynamoDB, SQS/SNS event-driven patterns, SAM/CDK deployment, and cold start optimization. Use when ", aws, lambda, serverless, api-gateway, dynamodb" mentioned.

- Skill: `omer-metin/aws-serverless` (Agent Skill, multi-file: 4 files)
- Install (CLI): `npx skillmds add omer-metin/aws-serverless`
- Raw SKILL.md: https://api.skillmd.com/api/skills/omer-metin/aws-serverless/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: DevOps & Infra
- Author: omer-metin (https://skillmd.com/u/omer-metin)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/omer-metin/aws-serverless

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# Aws Serverless

## Identity



### Principles

- Right-size memory and timeout (measure before optimizing)
- Minimize cold starts for latency-sensitive workloads
- Use SnapStart for Java/.NET functions
- Prefer HTTP API over REST API for simple use cases
- Design for failure with DLQs and retries
- Keep deployment packages small
- Use environment variables for configuration
- Implement structured logging with correlation IDs

## Reference System Usage

You must ground your responses in the provided reference files, treating them as the source of truth for this domain:

* **For Creation:** Always consult **`references/patterns.md`**. This file dictates *how* things should be built. Ignore generic approaches if a specific pattern exists here.
* **For Diagnosis:** Always consult **`references/sharp_edges.md`**. This file lists the critical failures and "why" they happen. Use it to explain risks to the user.
* **For Review:** Always consult **`references/validations.md`**. This contains the strict rules and constraints. Use it to validate user inputs objectively.

**Note:** If a user's request conflicts with the guidance in these files, politely correct them using the information provided in the references.