Files
ContentGen_BE/src/config/env.validation.ts
2026-03-28 17:16:12 +03:00

81 lines
2.0 KiB
TypeScript

import { z } from 'zod';
/**
* Helper to parse boolean from string
*/
const booleanString = z
.string()
.optional()
.default('false')
.transform((val) => val === 'true');
/**
* Environment variables schema validation using Zod
*/
export const envSchema = z.object({
// Environment
NODE_ENV: z
.enum(['development', 'production', 'test'])
.default('development'),
PORT: z.coerce.number().default(3000),
// Database
DATABASE_URL: z.string().url(),
// JWT
JWT_SECRET: z.string().min(32),
JWT_ACCESS_EXPIRATION: z.string().default('15m'),
JWT_REFRESH_EXPIRATION: z.string().default('7d'),
// Redis
REDIS_HOST: z.string().default('localhost'),
REDIS_PORT: z.coerce.number().default(6379),
REDIS_PASSWORD: z.string().optional(),
// i18n
DEFAULT_LANGUAGE: z.string().default('en'),
FALLBACK_LANGUAGE: z.string().default('en'),
// Optional Features
ENABLE_MAIL: booleanString,
ENABLE_S3: booleanString,
ENABLE_WEBSOCKET: booleanString,
ENABLE_MULTI_TENANCY: booleanString,
// Mail (Optional)
MAIL_HOST: z.string().optional(),
MAIL_PORT: z.coerce.number().optional(),
MAIL_USER: z.string().optional(),
MAIL_PASSWORD: z.string().optional(),
MAIL_FROM: z.string().optional(),
// S3 (Optional)
S3_ENDPOINT: z.string().optional(),
S3_ACCESS_KEY: z.string().optional(),
S3_SECRET_KEY: z.string().optional(),
S3_BUCKET: z.string().optional(),
S3_REGION: z.string().optional(),
// Throttle
THROTTLE_TTL: z.coerce.number().default(60000),
THROTTLE_LIMIT: z.coerce.number().default(100),
});
export type EnvConfig = z.infer<typeof envSchema>;
/**
* Validate environment variables
*/
export function validateEnv(config: Record<string, unknown>): EnvConfig {
const result = envSchema.safeParse(config);
if (!result.success) {
const errors = result.error.issues.map(
(err) => `${err.path.join('.')}: ${err.message}`,
);
throw new Error(`Environment validation failed:\n${errors.join('\n')}`);
}
return result.data;
}