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Innei 1a4005c7b9 ♻️ refactor: extract server into apps/server + root namespaces into packages (#14949 )

* ♻️ refactor(server-deps): extract envs/trpc/config/locales/business-server into packages

* ♻️ refactor: relocate src/server backend modules to apps/server package

Rebuilt on current canary: git mv the 8 server subtrees (services, routers,
modules, globalConfig, utils, runtimeConfig, workflows, featureFlags) into
@lobechat/server, with @/server/* dual-path alias, database vitest aliases,
and instrumentation import fixup.

* 📝 docs(skills): update src/server path refs to apps/server/src after relocation

2026-06-09 18:09:26 +08:00

2.4 KiB

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name, description, disable-model-invocation, argument-hint

name	description	disable-model-invocation	argument-hint
add-setting-env	Add server-side environment variables that control default values for user settings.	true	[setting-name]

Adding Environment Variable for User Settings

Add server-side environment variables to configure default values for user settings.

Priority: User Custom > Server Env Var > Hardcoded Default

Steps

1. Define Environment Variable

Create src/envs/<domain>.ts:

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();

2. Update Type (if new domain)

Add to packages/types/src/serverConfig.ts:

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

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

Prefer reusing existing types from packages/types/src/user/settings.

3. Assemble Server Config (if new domain)

In apps/server/src/globalConfig/index.ts:

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

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

4. Merge to User Store (if new domain)

In src/store/user/slices/common/action.ts:

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

5. Update .env.example

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

6. Update Documentation

docs/self-hosting/environment-variables/basic.mdx (EN)
docs/self-hosting/environment-variables/basic.zh-CN.mdx (CN)

Example: AI_IMAGE_DEFAULT_IMAGE_NUM

// 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>;

// apps/server/src/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

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