/**
* Environment configuration with Zod validation
* Validates and exports environment variables for the Twilio MCP server
*/
import { z } from 'zod';
const envSchema = z.object({
// Twilio Configuration
TWILIO_ACCOUNT_SID: z.string().startsWith('AC', 'Account SID must start with AC'),
TWILIO_AUTH_TOKEN: z.string().min(32, 'Auth token must be at least 32 characters'),
TWILIO_PHONE_NUMBER: z.string().regex(
/^\+[1-9]\d{1,14}$/,
'Phone number must be in E.164 format (+1234567890)'
),
// Webhook Server Configuration
WEBHOOK_PORT: z.coerce.number().min(1).max(65535).default(3000),
WEBHOOK_BASE_URL: z.string().url('Webhook base URL must be a valid URL'),
// Database Configuration
DATABASE_PATH: z.string().default('./data/twilio.db'),
// Optional Configuration
LOG_LEVEL: z.enum(['debug', 'info', 'warn', 'error']).default('info'),
AUTO_CREATE_CONVERSATIONS: z.coerce.boolean().default(true),
ENABLE_AI_CONTEXT: z.coerce.boolean().default(true),
ENABLE_MMS: z.coerce.boolean().default(true),
});
export type EnvConfig = z.infer<typeof envSchema>;
/**
* Parse and validate environment variables
*/
function validateEnv(): EnvConfig {
try {
return envSchema.parse(process.env);
} catch (error) {
if (error instanceof z.ZodError) {
console.error('❌ Environment validation failed:');
error.errors.forEach((err) => {
console.error(` - ${err.path.join('.')}: ${err.message}`);
});
process.exit(1);
}
throw error;
}
}
export const config = validateEnv();
