import { z } from 'zod';
const envSchema = z.object({
// Upstash Redis
UPSTASH_REDIS_REST_URL: z.string().url().optional(),
UPSTASH_REDIS_REST_TOKEN: z.string().optional(),
// Arcjet
ARCJET_KEY: z.string().optional(),
// Resend
RESEND_API_KEY: z.string().optional(),
ADMIN_EMAIL: z.string().email().optional(),
// Public
NEXT_PUBLIC_APP_URL: z.string().url().optional(),
NEXT_PUBLIC_GA_MEASUREMENT_ID: z.string().optional(),
});
export function validateEnv() {
const parsed = envSchema.safeParse(process.env);
if (!parsed.success) {
console.error('❌ Invalid environment variables:', parsed.error.flatten().fieldErrors);
throw new Error('Invalid environment variables');
}
// Warn about missing optional but recommended variables
const env = parsed.data;
const warnings: string[] = [];
if (!env.UPSTASH_REDIS_REST_URL || !env.UPSTASH_REDIS_REST_TOKEN) {
warnings.push('Waitlist system will not work without Upstash Redis credentials');
}
if (!env.ARCJET_KEY) {
warnings.push('Email validation will not work without Arcjet API key');
}
if (!env.RESEND_API_KEY) {
warnings.push('Email sending will not work without Resend API key');
}
if (!env.NEXT_PUBLIC_GA_MEASUREMENT_ID) {
warnings.push('Analytics will not work without Google Analytics measurement ID');
}
if (warnings.length > 0) {
console.warn('⚠️ Missing optional environment variables:');
warnings.forEach(w => console.warn(` - ${w}`));
}
return env;
}
// Type-safe environment variables
export type Env = z.infer<typeof envSchema>;
