env-setup-wizard

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• SKILL.md

SKILL.md (first lines)

# Environment Setup Wizard

## Instructions

When setting up environment configuration:

1. **Identify required variables** for the project
2. **Create .env structure** with proper organization
3. **Set up type-safe access** to env vars
4. **Add validation** on startup
5. **Document all variables**

## File Structure

```
project/
├── .env                  # Local development (git-ignored)
├── .env.example          # Template (committed to git)
├── .env.local            # Local overrides (git-ignored)
├── .env.development      # Development defaults
├── .env.production       # Production defaults
└── src/
    └── lib/
        └── env.ts        # Type-safe env access
```

## .env.example Template

```bash
# ===================
# Application
# ===================
NODE_ENV=development
APP_URL=http://localhost:3000
PORT=3000

# ===================
# Database
# ===================
DATABASE_URL=postgresql://user:password@localhost:5432/dbname

# ===================
# Authentication
# ===================
# Generate with: openssl rand -base64 32
JWT_SECRET=
NEXTAUTH_SECRET=
NEXTAUTH_URL=http://localhost:3000

# ===================
# Third-party APIs
# ===================
# Get from: https://stripe.com/dashboard
STRIPE_SECRET_KEY=
STRIPE_PUBLISHABLE_KEY=
STRIPE_WEBHOOK_SECRET=

# Get from: https://resend.com
RESEND_API_KEY=

# ===================
# Storage
# ===================
AWS_ACCESS_KEY_ID=
AWS_SECRET_ACCESS_KEY=
AWS_REGION=us-east-1
S3_BUCKET_NAME=
```

## Type-Safe Environment (Zod)

```typescript
// src/lib/env.ts
import { z } from 'zod';

const envSchema = z.object({
  // App
  NODE_ENV: z.enum(['development', 'production', 'test']).default('development'),
  APP_URL: z.string().url(),
  PORT: z.coerce.number().default(3000),

  // Database
  DATABASE_URL: z.string().min(1),

  // Auth
  JWT_SECRET: z.string().min(32),
  NEXTAUTH_SECRET: z.string().min(32),
  NEXTAUTH_URL: z.string().url(),

  // APIs (optional in dev)
  STRIPE_SECRET_KEY: z.string().optional(),
  RESEND_API_KEY: z.string().optional(),
});

// Validate on import
const parsed = envSchema.safeParse(process.env);

if (!parsed.success) {
  console.error('Invalid environment variables:');
  console.error(parsed.error.flatten().fieldErrors);
  process.exit(1);
}

export const env = parsed.data;

// Type export for use elsewhere
export type Env = z.infer<typeof envSchema>;
```

## Next.js Specific

```typescript
// src/lib/env.ts for Next.js
import { z } from 'zod';

// Server-side variables
const serverSchema = z.object({
  DATABASE_URL: z.string(),
  JWT_SECRET: z.string(),

From OneWave-AI/claude-skills, MIT.

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