Serverless architecture

Skill ulpi-io/plugin-marketplace/plugins/aj-geddes/skills/serverless-architecture

Design and implement serverless applications using AWS Lambda, Azure Functions, and GCP Cloud Functions with event-driven patterns and orchestration.From its SKILL.md

Install

npx -y skills add ulpi-io/plugin-marketplace --skill serverless-architecture

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SKILL.md

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Overview

Serverless architecture enables building complete applications without managing servers. Design event-driven, scalable systems using managed compute services, databases, and messaging systems. Pay only for actual usage with automatic scaling.

When to Use

Event-driven applications
API backends and microservices
Real-time data processing
Batch jobs and scheduled tasks
Workflow automation
IoT data pipelines
Multi-tenant SaaS applications
Mobile app backends

Quick Start

Minimal working example:

# serverless.yml - Serverless Framework
service: my-app

frameworkVersion: "3"

provider:
  name: aws
  runtime: nodejs18.x
  region: us-east-1
  stage: ${opt:stage, 'dev'}
  memorySize: 256
  timeout: 30
  environment:
    STAGE: ${self:provider.stage}
    DYNAMODB_TABLE: ${self:service}-users-${self:provider.stage}
    SNS_TOPIC_ARN: arn:aws:sns:${self:provider.region}:${aws:accountId}:my-topic
  httpApi:
    cors: true
  iam:
    role:
      statements:
        - Effect: Allow
          Action:
            - dynamodb:Query
            - dynamodb:Scan
// ... (see reference guides for full implementation)

Reference Guides

Detailed implementations in the references/ directory:

Guide	Contents
Serverless Application Architecture	Serverless Application Architecture
Event-Driven Lambda Handler Pattern	Event-Driven Lambda Handler Pattern
Orchestration with Step Functions	Orchestration with Step Functions
Monitoring and Observability	Monitoring and Observability

Best Practices

✅ DO

Design idempotent functions
Use event sources efficiently
Implement proper error handling
Monitor with CloudWatch/Application Insights
Use infrastructure as code
Implement distributed tracing
Version functions for safe deployments
Use environment variables for configuration

❌ DON'T

Create long-running functions
Store state in functions
Ignore cold start optimization
Use synchronous chains
Skip testing
Hardcode configuration
Deploy without monitoring

What ships with it: 6 files

10.4 KB alongside SKILL.md, 1 of them executable