메뉴
NestJS best practices and architecture patterns for building production-ready applications. Use when writing, reviewing, or refactoring NestJS code to ensure proper patterns for modules, dependency injection, security, testing, and performance.
| name | nestjs-best-practices |
| description | NestJS best practices and architecture patterns for building production-ready applications. Use when writing, reviewing, or refactoring NestJS code to ensure proper patterns for modules, dependency injection, security, testing, and performance. |
Comprehensive best practices guide for NestJS applications. Contains 40 rules across 10 categories, prioritized by impact to guide automated refactoring and code generation.
Reference these guidelines when:
| Priority | Category | Impact | Prefix |
|---|---|---|---|
| 1 | Architecture | CRITICAL | arch- |
| 2 | Dependency Injection | CRITICAL | di- |
| 3 | Error Handling | HIGH | error- |
| 4 | Security | HIGH | security- |
| 5 | Performance | HIGH | perf- |
| 6 | Testing | MEDIUM-HIGH | test- |
| 7 | Database & ORM | MEDIUM-HIGH | db- |
| 8 | API Design | MEDIUM | api- |
| 9 | Microservices | MEDIUM | micro- |
| 10 | DevOps & Deployment | LOW-MEDIUM | devops- |
arch-avoid-circular-deps - Avoid circular module dependenciesarch-feature-modules - Organize by feature, not technical layerarch-module-sharing - Proper module exports/imports, avoid duplicate providersarch-single-responsibility - Focused services over "god services"arch-use-repository-pattern - Abstract database logic for testabilityarch-use-events - Event-driven architecture for decouplingdi-avoid-service-locator - Avoid service locator anti-patterndi-interface-segregation - Interface Segregation Principle (ISP)di-liskov-substitution - Liskov Substitution Principle (LSP)di-prefer-constructor-injection - Constructor over property injectiondi-scope-awareness - Understand singleton/request/transient scopesdi-use-interfaces-tokens - Use injection tokens for interfaceserror-use-exception-filters - Centralized exception handlingerror-throw-http-exceptions - Use NestJS HTTP exceptionserror-handle-async-errors - Handle async errors properlysecurity-auth-jwt - Secure JWT authenticationsecurity-validate-all-input - Validate with class-validatorsecurity-use-guards - Authentication and authorization guardssecurity-sanitize-output - Prevent XSS attackssecurity-rate-limiting - Implement rate limitingperf-async-hooks - Proper async lifecycle hooksperf-use-caching - Implement caching strategiesperf-optimize-database - Optimize database queriesperf-lazy-loading - Lazy load modules for faster startuptest-use-testing-module - Use NestJS testing utilitiestest-e2e-supertest - E2E testing with Supertesttest-mock-external-services - Mock external dependenciesdb-use-transactions - Transaction managementdb-avoid-n-plus-one - Avoid N+1 query problemsdb-use-migrations - Use migrations for schema changesapi-use-dto-serialization - DTO and response serializationapi-use-interceptors - Cross-cutting concernsapi-versioning - API versioning strategiesapi-use-pipes - Input transformation with pipesmicro-use-patterns - Message and event patternsmicro-use-health-checks - Health checks for orchestrationmicro-use-queues - Background job processingdevops-use-config-module - Environment configurationdevops-use-logging - Structured loggingdevops-graceful-shutdown - Zero-downtime deploymentsRead individual rule files for detailed explanations and code examples:
rules/arch-avoid-circular-deps.md
rules/security-validate-all-input.md
rules/_sections.md
Each rule file contains:
For the complete guide with all rules expanded: AGENTS.md
Experto en animaciones de alto rendimiento con Anime.js v4.3.5+. Úsalo para crear animaciones modulares, escalonadas (staggers), animaciones SVG (morphing/dashoffset) e interacciones complejas (drag) con foco en rendimiento.
Professional UI/UX design skill with 67 styles, 96 color palettes, 57 font pairings, 99 UX guidelines and 25 chart types across 13 tech stacks. Use this skill when the user asks to build, design, create or improve any UI/UX interface, web components, dashboards, landing pages or mobile apps.
Work with Shopify GraphQL APIs including Admin API and Storefront API. Use this skill for querying and mutating Shopify data, managing products, orders, customers, handling pagination, working with metafields, and understanding rate limits. Covers authentication, queries, mutations, and webhooks.
Build Shopify apps with extensions and embedded experiences. Use this skill for creating new Shopify apps, adding app extensions, building admin interfaces, working with OAuth authentication, managing app configuration, and deploying to the Shopify App Store. Covers Shopify CLI for apps, Polaris UI, and app bridge.
Customize Shopify checkout with UI extensions and functions. Use this skill for building checkout UI extensions, adding custom fields, implementing payment customizations, creating post-purchase experiences, and extending customer accounts. Covers Checkout UI Extensions API and checkout branding.
Master Shopify CLI and developer tools. Use this skill for using Shopify CLI commands, theme development workflow, app development workflow, debugging with Theme Check, using the Liquid language server, and configuring development environments. Covers VS Code extension and development best practices.