feat: add database env validator

prisma.config.ts

@@ -7,6 +7,6 @@ export default defineConfig({
     path: 'prisma/migrations'
   },
   datasource: {
-    url: process.env['POSTGRES_URI']
+    url: process.env['DATABASE_URI']
   }
 })

src/app.module.ts

@@ -1,7 +1,7 @@
 import { Module } from '@nestjs/common'
 import { ConfigModule } from '@nestjs/config'
 
-import { grpcEnv } from './config'
+import { dabataseEnv, grpcEnv } from './config'
 import { PrismaModule } from './infra/prisma/prisma.module'
 import { RedisModule } from './infra/redis/redis.module'
 import { AuthModule } from './modules/auth/auth.module'
@@ -9,7 +9,7 @@ import { OtpModule } from './modules/otp/otp.module'
 
 @Module({
   imports: [
-    ConfigModule.forRoot({ isGlobal: true, load: [grpcEnv] }),
+    ConfigModule.forRoot({ isGlobal: true, load: [dabataseEnv, grpcEnv] }),
     PrismaModule,
     RedisModule,
     AuthModule,

src/config/env/database.env.ts

@@ -0,0 +1,19 @@
+import { registerAs } from '@nestjs/config'
+
+import { validateEnv } from '@/shared/utils'
+
+import { DatabaseConfig } from '../interfaces/database.interface'
+import { DatabaseValidator } from '../validators'
+
+export const dabataseEnv = registerAs<DatabaseConfig>('database', () => {
+  validateEnv(process.env, DatabaseValidator)
+
+  return {
+    username: process.env.DATABASE_USERNAME,
+    password: process.env.DATABASE_PASSWORD,
+    host: process.env.DATABASE_HOST,
+    port: parseInt(process.env.DATABASE_PORT),
+    name: process.env.DATABASE_NAME,
+    uri: process.env.DATABASE_URI
+  }
+})

src/config/env/index.ts

@@ -1 +1,2 @@
 export * from './grpc.env'
+export * from './database.env'

src/config/interfaces/all-configs.interface.ts

@@ -1,5 +1,7 @@
+import { DatabaseConfig } from './database.interface'
 import { GrpcConfig } from './grpc.interface'
 
 export interface AllConfigs {
+  database: DatabaseConfig
   grpc: GrpcConfig
 }

src/config/interfaces/database.interface.ts

@@ -0,0 +1,8 @@
+export interface DatabaseConfig {
+  username: string
+  password: string
+  host: string
+  port: number
+  name: string
+  uri: string
+}

src/config/validators/database.validator.ts

@@ -0,0 +1,23 @@
+import { IsInt, IsString, Max, Min } from 'class-validator'
+
+export class DatabaseValidator {
+  @IsString()
+  public DATABASE_USERNAME: string
+
+  @IsString()
+  public DATABASE_PASSWORD: string
+
+  @IsString()
+  public DATABASE_HOST: string
+
+  @Min(1)
+  @Max(65535)
+  @IsInt()
+  public DATABASE_PORT: number
+
+  @IsString()
+  public DATABASE_NAME: string
+
+  @IsString()
+  public DATABASE_URI: string
+}

src/config/validators/index.ts

@@ -1 +1,2 @@
 export * from './grpc.validator'
+export * from './database.validator'

src/infra/prisma/prisma.service.ts

@@ -8,6 +8,8 @@ import { ConfigService } from '@nestjs/config'
 import { PrismaPg } from '@prisma/adapter-pg'
 import { PrismaClient } from '@prisma/generated/client'
 
+import { AllConfigs } from '@/config'
+
 @Injectable()
 export class PrismaService
   extends PrismaClient
@@ -15,14 +17,16 @@ export class PrismaService
 {
   private readonly logger = new Logger(PrismaService.name)
 
-  public constructor(private readonly configService: ConfigService) {
+  public constructor(
+    private readonly configService: ConfigService<AllConfigs>
+  ) {
     super({
       adapter: new PrismaPg({
-        user: configService.getOrThrow<string>('POSTGRES_USERNAME'),
+        user: configService.get('database.username', { infer: true }),
-        password: configService.getOrThrow<string>('POSTGRES_PASSWORD'),
+        password: configService.get('database.password', { infer: true }),
-        host: configService.getOrThrow<string>('POSTGRES_HOST'),
+        host: configService.get('database.host', { infer: true }),
-        port: configService.getOrThrow<number>('POSTGRES_PORT'),
+        port: configService.get('database.port', { infer: true }),
-        database: configService.getOrThrow<string>('POSTGRES_DATABASE_NAME')
+        database: configService.get('database.name', { infer: true })
       })
     })
   }