add-setting-env
Guide for implementing server-side environment variables to configure default user settings.
- Follows a three-tier priority system: user custom settings override server environment variables, which override hardcoded defaults
- Requires defining the environment variable in a domain-specific config file using
@t3-oss/env-nextjsand Zod validation - For new domains, involves updating type definitions, assembling server config, and merging settings into the user store
- Includes documentation requirements for
.env.exampleand bilingual self-hosting guides (English and Chinese)
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';
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