feat: scaffold NestJS API application

apps/api/src/app.module.ts

@@ -0,0 +1,13 @@
+import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
+import { PrismaModule } from './prisma/prisma.module';
+import { HealthModule } from './modules/health/health.module';
+
+@Module({
+  imports: [
+    ConfigModule.forRoot({ isGlobal: true }),
+    PrismaModule,
+    HealthModule,
+  ],
+})
+export class AppModule {}

apps/api/src/main.ts

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+import 'reflect-metadata';
+import { NestFactory } from '@nestjs/core';
+import { AppModule } from './app.module';
+
+async function bootstrap() {
+  const app = await NestFactory.create(AppModule);
+  const port = process.env['API_PORT'] ?? 3001;
+  await app.listen(port);
+  console.log(`TOWER API running on port ${port}`);
+}
+
+bootstrap();

apps/api/src/modules/health/health.controller.ts

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+import { Controller, Get } from '@nestjs/common';
+
+@Controller('health')
+export class HealthController {
+  @Get()
+  check() {
+    return {
+      status: 'ok',
+      service: 'tower-api',
+      timestamp: new Date().toISOString(),
+    };
+  }
+}

apps/api/src/modules/health/health.module.ts

@@ -0,0 +1,7 @@
+import { Module } from '@nestjs/common';
+import { HealthController } from './health.controller';
+
+@Module({
+  controllers: [HealthController],
+})
+export class HealthModule {}

apps/api/src/prisma/prisma.module.ts

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+import { Global, Module } from '@nestjs/common';
+import { PrismaService } from './prisma.service';
+
+@Global()
+@Module({
+  providers: [PrismaService],
+  exports: [PrismaService],
+})
+export class PrismaModule {}

apps/api/src/prisma/prisma.service.ts

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+import { Injectable, OnModuleInit, OnModuleDestroy } from '@nestjs/common';
+import { PrismaClient } from '@prisma/client';
+
+@Injectable()
+export class PrismaService
+  extends PrismaClient
+  implements OnModuleInit, OnModuleDestroy
+{
+  async onModuleInit() {
+    await this.$connect();
+  }
+
+  async onModuleDestroy() {
+    await this.$disconnect();
+  }
+}