Integrate dotenv for environment variable loading with validation and type coercion.
apm install @a5c-ai/dotenv-integration[](https://apm-p1ls2dz87-atlamors-projects.vercel.app/packages/@a5c-ai/dotenv-integration)---
name: dotenv-integration
description: Integrate dotenv for environment variable loading with validation and type coercion.
allowed-tools: Read, Write, Edit, Bash, Glob, Grep
---
# Dotenv Integration
Integrate dotenv for environment variable loading.
## Generated Patterns
```typescript
import { config } from 'dotenv';
import { expand } from 'dotenv-expand';
import { z } from 'zod';
// Load .env files in order
for (const file of ['.env.local', `.env.${process.env.NODE_ENV}`, '.env']) {
expand(config({ path: file }));
}
const envSchema = z.object({
NODE_ENV: z.enum(['development', 'production', 'test']).default('development'),
PORT: z.coerce.number().default(3000),
DATABASE_URL: z.string().url(),
API_KEY: z.string().min(1),
});
export const env = envSchema.parse(process.env);
```
## Target Processes
- configuration-management-system
- mcp-server-bootstrap
- cli-application-bootstrap