Add NestJS fabric trade API with Prisma and Docker

Provide backend for admin and user apps with Postgres, migrations, seed data, and docker-compose for LiteSpeed reverse-proxy deployment.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/auth/auth.module.ts

@@ -0,0 +1,24 @@
+import { Module } from '@nestjs/common';
+import { JwtModule } from '@nestjs/jwt';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+import { AuthService } from './auth.service';
+import { AuthController } from './auth.controller';
+
+@Module({
+  imports: [
+    JwtModule.registerAsync({
+      imports: [ConfigModule],
+      inject: [ConfigService],
+      useFactory: (config: ConfigService) => ({
+        secret: config.get<string>('JWT_SECRET', 'fabric-trade-dev-secret'),
+        signOptions: {
+          expiresIn: config.get('JWT_EXPIRES_IN', '7d') as `${number}d`,
+        },
+      }),
+    }),
+  ],
+  controllers: [AuthController],
+  providers: [AuthService],
+  exports: [AuthService, JwtModule],
+})
+export class AuthModule {}