Agent skill
cloud-native-patterns
Apply cloud-native architecture patterns. Use when designing for scalability, resilience, or cloud deployment. Covers microservices, containers, and distributed systems.
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Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/cloud-native-patterns
SKILL.md
Cloud-Native Patterns
Twelve-Factor App
- Codebase: One codebase, many deploys
- Dependencies: Explicitly declare and isolate
- Config: Store in environment
- Backing Services: Treat as attached resources
- Build, Release, Run: Strictly separate stages
- Processes: Execute as stateless processes
- Port Binding: Export services via port
- Concurrency: Scale out via process model
- Disposability: Fast startup and graceful shutdown
- Dev/Prod Parity: Keep environments similar
- Logs: Treat as event streams
- Admin Processes: Run as one-off processes
Resilience Patterns
Circuit Breaker
Prevent cascading failures by failing fast.
typescript
class CircuitBreaker {
private failures = 0;
private lastFailure?: Date;
async call<T>(fn: () => Promise<T>): Promise<T> {
if (this.isOpen()) {
throw new Error('Circuit is open');
}
try {
const result = await fn();
this.reset();
return result;
} catch (error) {
this.recordFailure();
throw error;
}
}
}
Retry with Backoff
typescript
async function withRetry<T>(
fn: () => Promise<T>,
maxRetries = 3
): Promise<T> {
for (let i = 0; i < maxRetries; i++) {
try {
return await fn();
} catch (error) {
if (i === maxRetries - 1) throw error;
await sleep(Math.pow(2, i) * 1000); // Exponential backoff
}
}
}
Bulkhead
Isolate failures to prevent system-wide impact.
Service Communication
Synchronous
- REST/HTTP
- gRPC
Asynchronous
- Message queues (RabbitMQ, SQS)
- Event streaming (Kafka)
Health Checks
typescript
app.get('/health', (req, res) => {
res.json({ status: 'healthy' });
});
app.get('/ready', async (req, res) => {
const dbHealthy = await checkDatabase();
const cacheHealthy = await checkCache();
if (dbHealthy && cacheHealthy) {
res.json({ status: 'ready' });
} else {
res.status(503).json({ status: 'not ready' });
}
});
Container Best Practices
- One process per container
- Use multi-stage builds
- Run as non-root user
- Use health checks
- Keep images small
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