Initialize `@nestjs/config` globally and give it a startup validation schema. Required variables should make boot fail immediately instead of producing a partially configured service. ```ts ConfigModule.forRoot({ isGlobal: true, validationSchema: Joi.object({ NODE_ENV: Joi.string().valid('development', 'production').default('development'), PORT: Joi.number().default(3000), DATABASE_URL: Joi.string().required(), }), }); ``` Inject `ConfigService` into modules and services, preferably through a...
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Initialize `@nestjs/config` globally and give it a startup validation schema. Required variables should make boot fail immediately instead of producing a partially configured service.
```ts
ConfigModule.forRoot({
isGlobal: true,
validationSchema: Joi.object({
NODE_ENV: Joi.string().valid('development', 'production').default('development'),
PORT: Joi.number().default(3000),
DATABASE_URL: Joi.string().required(),
}),
});
```
Inject `ConfigService` into modules and services, preferably through a typed configuration object or getter. Never read `process.env` throughout business code, and never commit `.env` secrets.
