import { createEnv } from '@t3-oss/env-nextjs';
import { z } from 'zod';

export const get<Domain>Config = () => {
  return createEnv({
    server: {
      YOUR_ENV_VAR: z.coerce.number().min(MIN).max(MAX).optional(),
    },
    runtimeEnv: {
      YOUR_ENV_VAR: process.env.YOUR_ENV_VAR,
    },
  });
};

export const <domain>Env = get<Domain>Config();

import { User<Domain>Config } from './user/settings';

export interface GlobalServerConfig {
  <domain>?: PartialDeep<User<Domain>Config>;
}

import { <domain>Env } from '@/envs/<domain>';

export const getServerGlobalConfig = async () => {
  const config: GlobalServerConfig = {
    <domain>: cleanObject({
      <settingName>: <domain>Env.YOUR_ENV_VAR,
    }),
  };
  return config;
};

const serverSettings: PartialDeep<UserSettings> = {
  <domain>: serverConfig.<domain>,
};

# <Description> (range/options, default: X)
# YOUR_ENV_VAR=<example>

// src/envs/image.ts
AI_IMAGE_DEFAULT_IMAGE_NUM: z.coerce.number().min(1).max(20).optional(),

// packages/types/src/serverConfig.ts
image?: PartialDeep<UserImageConfig>;

// src/server/globalConfig/index.ts
image: cleanObject({ defaultImageNum: imageEnv.AI_IMAGE_DEFAULT_IMAGE_NUM }),

// src/store/user/slices/common/action.ts
image: serverConfig.image,

// .env.example
# AI_IMAGE_DEFAULT_IMAGE_NUM=4