Section 01: Domain-Specific Workflows

Specialized patterns and workflows optimized for different development domains. Each domain has unique patterns where Claude Code excels with Context7 integration.

What You’ll Learn:

  • Frontend development workflows (React, Next.js, Vue)
  • Backend API development patterns
  • Data engineering and SQL optimization
  • DevOps and infrastructure as code
  • When to use Context7 for each domain

Table of Contents

  1. Frontend Development
  2. Backend Development
  3. Data Engineering
  4. DevOps & Infrastructure
  5. Mobile Development
  6. Context7 Usage Guide

Frontend Development

React & Next.js Workflows

Using Context7 for Latest Patterns

Always check for latest patterns when working with rapidly evolving frameworks:

# Get latest framework patterns first
claude "Context7: Next.js 15 app router authentication with server actions"
claude "Context7: React 19 useOptimistic hook examples"
claude "Context7: Zustand v5 TypeScript best practices"

Component Development Pattern 

# Step 1: Learn current patterns
claude "Context7: React 19 component patterns for form handling"

# Step 2: Create component using latest patterns
claude "Using Context7 React 19 patterns, create UserRegistrationForm:
- Email, password, confirm password fields
- Client-side validation
- Server action submission
- Loading states and error handling
Files: src/components/UserRegistrationForm.tsx"

# Step 3: Generate tests
claude "Generate tests for UserRegistrationForm" \
  --files="src/components/UserRegistrationForm.tsx"

# Step 4: Create Storybook story (optional)
claude "Create Storybook story with all states" \
  --files="src/components/UserRegistrationForm.tsx"

Next.js Feature Development 

# Full feature: User profile with latest Next.js 15
claude "Context7: Next.js 15 app router authenticated pages patterns"

# Build complete feature
claude "Using Context7 Next.js 15 patterns, create user profile feature:
- app/profile/page.tsx (server component)
- app/profile/edit/page.tsx (server actions)
- components/ProfileCard.tsx (client component)
- lib/actions/profile.ts (server actions)
With: Server auth, Suspense, optimistic updates, error boundaries"

Screenshot to Code 

# Convert design mockups to code
claude "Convert screenshot to Next.js component using Context7 latest patterns" \
  --files="design.png"

# Refine with framework-specific optimizations
claude "Context7: Next.js 15 Image component best practices - apply to code"

Vue & Svelte Workflows 

# Vue 3 Composition API
claude "Context7: Vue 3.4 defineModel and reactivity patterns"
claude "Using Context7 Vue 3.4, create reactive form with defineModel"

# Svelte 5 Runes
claude "Context7: Svelte 5 runes API - $state, $derived, $effect"
claude "Context7: Svelte 5 migration - convert this Svelte 4 component" \
  --files="src/lib/UserCard.svelte"

Styling with Modern CSS/Tailwind 

# Tailwind CSS latest features
claude "Context7: Tailwind CSS v4 container queries and modern grid"
claude "Using Context7 Tailwind v4, style Dashboard component with:
- Container queries
- Modern grid layout
- Dark mode support" \
  --files="src/components/Dashboard.tsx"

Backend Development

API Development Pattern

Node.js & Express 

# Latest Node.js patterns
claude "Context7: Node.js 22 native TypeScript support setup"

# Modern Express API
claude "Using Context7 Express.js 5, create RESTful API:
- /api/users CRUD endpoints
- JWT authentication middleware
- Request validation (Zod)
- Error handling
- OpenAPI/Swagger docs"

NestJS 

# Latest NestJS patterns
claude "Context7: NestJS 10 standalone applications and microservices"

# Build feature module
claude "Using Context7 NestJS 10, create authentication module:
- JWT strategy
- Guards and decorators
- Swagger integration
- Testing setup"

Fastify (High Performance) 

# High-performance patterns
claude "Context7: Fastify v4 async hooks and plugin system"
claude "Context7: Fastify v4 - create API with schema validation" \
  --files="src/routes/users.ts"

Database Workflows

Prisma ORM 

# Latest Prisma features
claude "Context7: Prisma 5 client extensions - custom methods"

# Schema design
claude "Using Context7 Prisma 5, create schema for:
- Users, posts, comments (relations)
- Soft deletes (client extensions)
- Full-text search
- Optimistic concurrency control"

# Migration generation
claude "Generate Prisma migration for adding user roles" \
  --files="prisma/schema.prisma"

Drizzle ORM (Modern Alternative) 

# Type-safe ORM
claude "Context7: Drizzle ORM query syntax and relations"
claude "Using Context7 Drizzle, create schema and queries for blog system"

Authentication 

# Modern auth patterns
claude "Context7: Next.js 15 authentication with Auth.js (NextAuth v5)"

# Implement full auth
claude "Using Context7 Auth.js v5, implement:
- Google & GitHub OAuth
- Email/password credentials
- Session management
- Protected routes middleware"

Data Engineering

SQL Optimization

PostgreSQL 

# Latest PostgreSQL features
claude "Context7: PostgreSQL 16 JSON improvements and performance"

# Query optimization
claude "Using Context7 PostgreSQL 16, optimize this query" \
  --files="queries/user-analytics.sql"

DuckDB for Analytics 

# Modern analytics database
claude "Context7: DuckDB SQL dialect and performance patterns"
claude "Using Context7 DuckDB, create queries for:
- User engagement metrics
- Cohort analysis
- Time-series aggregations"

ETL Workflows 

# Modern data pipelines
claude "Context7: Apache Airflow 2.8 TaskFlow API"

# Build ETL pipeline
claude "Using Context7 Airflow 2.8 TaskFlow, create pipeline:
- Extract from API
- Transform with pandas
- Load to PostgreSQL
- Error handling and retries"

Data Validation 

# Type-safe validation
claude "Context7: Zod latest patterns for complex schemas"
claude "Using Context7 Zod, create validation for:
- User input sanitization
- API response validation
- Config file validation
With TypeScript type inference"

DevOps & Infrastructure

Infrastructure as Code

AWS CDK 

# Latest CDK patterns
claude "Context7: AWS CDK v3 latest constructs and patterns"

# Build infrastructure
claude "Using Context7 AWS CDK v3, create:
- Lambda functions (TypeScript)
- API Gateway REST API
- DynamoDB tables
- S3 buckets with policies
- IAM roles (least privilege)"

Terraform 

# Modern Terraform
claude "Context7: Terraform 1.7 removed blocks and state management"

# Infrastructure setup
claude "Using Context7 Terraform 1.7, create:
- AWS ECS cluster with Fargate
- Application Load Balancer
- RDS PostgreSQL with replicas
- VPC networking (subnets, security groups)
With proper state management and modules"

Docker & Kubernetes 

# Latest Docker features
claude "Context7: Docker Compose v2.24 watch mode and profiles"

# Containerization
claude "Using Context7 Docker, create:
- Multi-stage Dockerfile (Node.js app)
- docker-compose.yml with profiles (dev/prod)
- Health checks and volume mounts
- Watch mode for development"

# Kubernetes patterns
claude "Context7: Kubernetes 1.29 deployment patterns"
claude "Create K8s manifests: Deployment, Service, Ingress, ConfigMap"

CI/CD Workflows

GitHub Actions 

# Latest Actions features
claude "Context7: GitHub Actions latest workflow syntax"

# CI/CD pipeline
claude "Using Context7 GitHub Actions, create workflow:
- Test on multiple Node versions (matrix)
- Build and push Docker image
- Deploy to AWS ECS
- Security scanning (Snyk/Trivy)
- Slack notifications"

GitLab CI 

# GitLab CI patterns
claude "Context7: GitLab CI latest pipeline syntax"
claude "Context7: GitLab CI - create pipeline with:
- Test, Build, Deploy stages
- Cache and artifacts patterns
- Environment-specific deployments"

Mobile Development

React Native 

# Latest React Native patterns
claude "Context7: React Native navigation (React Navigation v7)"

# Build mobile feature
claude "Using Context7 React Native, create:
- Bottom tab navigation
- Stack navigator for auth flow
- Deep linking setup
- Push notifications (Expo)"

Expo 

# Modern Expo development
claude "Context7: Expo SDK latest features and EAS updates"
claude "Context7: Expo - setup app with:
- TypeScript and Expo Router
- Authentication flow
- EAS Build/Submit config"

Context7 Usage Guide

When to Use Context7 by Domain

Frontend (High Usage - Always Check)

  • ✅ Always use for React, Next.js, Vue, Svelte
  • ✅ Frameworks update frequently (monthly/quarterly)
  • ✅ Breaking changes common
  • ✅ Best practices evolve rapidly
# Start every frontend feature with Context7
claude "Context7: [framework] [version] latest best practices"

Backend (Moderate Usage - Selective)

  • ✅ Use for newer frameworks (NestJS, Fastify)
  • ✅ Use for ORMs (Prisma, Drizzle - frequent updates)
  • ⚠️ Express, traditional patterns less critical
# Use Context7 for modern tools
claude "Context7: [modern-backend-tool] latest patterns"

Data Engineering (Selective Usage)

  • ✅ Use for newer tools (DuckDB, Polars)
  • ⚠️ SQL, pandas relatively stable
  • ✅ Use for cloud services (always evolving)
# Use for cutting-edge data tools
claude "Context7: [new-data-tool] latest features"

DevOps (Moderate Usage)

  • ✅ Use for Kubernetes, cloud services
  • ✅ Use for CI/CD platforms (frequent updates)
  • ⚠️ Docker basics stable
  • ✅ IaC tools update frequently
# Check for latest cloud/IaC patterns
claude "Context7: [cloud-service] latest best practices"

Context7 Pattern Template

General workflow:

# 1. Learn latest patterns
claude "Context7: [Tool] [Version] [specific feature/pattern]"

# 2. Apply to your code
claude "Using Context7 [Tool] patterns, [task description]
[specific requirements]
Files: [relevant files]"

# 3. Refine with domain knowledge
claude "Review this implementation using Context7 [Tool] best practices" \
  --files="[implementation files]"

Combining Domain Expertise with Context7

Pattern: Your expertise + latest tools

# Your knowledge + Context7 current patterns
claude "As an experienced [domain] developer, review this [component/system].
Use Context7 [Tool] [Version] to suggest modern improvements" \
  --files="[files]"

# Result: Best of both worlds
# - Your domain expertise and architectural knowledge
# - Context7's up-to-date tool-specific patterns

Quick Reference: Context7 by Technology

Frontend 

"Context7: React 19 [feature]"
"Context7: Next.js 15 [pattern]"
"Context7: Vue 3.4 [feature]"
"Context7: Tailwind CSS v4 [feature]"

Backend 

"Context7: NestJS 10 [feature]"
"Context7: Fastify v4 [pattern]"
"Context7: Prisma 5 [feature]"
"Context7: PostgreSQL 16 [feature]"

DevOps 

"Context7: AWS CDK v3 [construct]"
"Context7: Terraform 1.7 [feature]"
"Context7: Kubernetes 1.29 [concept]"
"Context7: Docker Compose v2.24 [feature]"

Data 

"Context7: DuckDB [feature]"
"Context7: Airflow 2.8 [pattern]"
"Context7: Zod [validation pattern]"

Summary

Key Takeaways:

  1. Context7 is essential for frontend - frameworks change rapidly
  2. Use selectively for backend - focus on newer tools and ORMs
  3. Combine with domain expertise - Context7 + your knowledge = best results
  4. Always specify versions - “Next.js 15” not just “Next.js”
  5. Check before major work - verify latest patterns

Domain-Specific Habits:

  • Frontend devs: Start every feature with Context7 check
  • Backend devs: Use Context7 for ORMs and new frameworks
  • Data engineers: Use Context7 for newer tools (DuckDB, Polars)
  • DevOps engineers: Use Context7 for cloud services and K8s

Expected Results:

  • Build with latest patterns (not outdated tutorials)
  • Avoid deprecated features
  • Leverage newest framework capabilities
  • Stay current without reading all documentation

Pattern Summary:

# 1. Learn (Context7)
claude "Context7: [Tool] [Version] [feature]"

# 2. Apply (with Context7 knowledge)
claude "Using Context7 [Tool] patterns, [task]"

# 3. Review (validate with Context7)
claude "Review using Context7 [Tool] best practices" --files="..."
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