Initial commit

src/app.module.ts

@@ -0,0 +1,14 @@
+import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
+import { HealthController } from './health/health.controller';
+
+@Module({
+  imports: [
+    ConfigModule.forRoot({
+      isGlobal: true,
+      envFilePath: '.env',
+    }),
+  ],
+  controllers: [HealthController],
+})
+export class AppModule {}

src/config/app.config.ts

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+import { IsInt, IsString, Min, Max } from 'class-validator';
+
+export class AppConfig {
+  @IsString()
+  NODE_ENV: string = 'development';
+
+  @IsInt()
+  @Min(1)
+  @Max(65535)
+  PORT: number = 3000;
+
+  @IsString()
+  APP_NAME: string = 'liquio-qa-bot';
+
+  @IsString()
+  APP_VERSION: string = '1.0.0';
+}

src/health/health.controller.ts

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+import { Controller, Get } from '@nestjs/common';
+import { ApiOperation, ApiResponse, ApiTags } from '@nestjs/swagger';
+
+@ApiTags('health')
+@Controller()
+export class HealthController {
+  @Get('healthz')
+  @ApiOperation({ summary: 'Health check' })
+  @ApiResponse({ status: 200, description: 'Service is healthy' })
+  healthz(): { status: string } {
+    return { status: 'ok' };
+  }
+}

src/main.ts

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+import { NestFactory } from '@nestjs/core';
+import { ConfigService } from '@nestjs/config';
+import { ValidationPipe } from '@nestjs/common';
+import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
+import { AppModule } from './app.module';
+
+async function bootstrap() {
+  const app = await NestFactory.create(AppModule);
+
+  app.useGlobalPipes(new ValidationPipe({ transform: true }));
+
+  const config = app.get(ConfigService);
+  const port = config.get<number>('PORT', 3000);
+  const appName = config.get<string>('APP_NAME', 'liquio-qa-bot');
+  const appVersion = config.get<string>('APP_VERSION', '1.0.0');
+
+  const swaggerConfig = new DocumentBuilder()
+    .setTitle(appName)
+    .setDescription(`${appName} API`)
+    .setVersion(appVersion)
+    .build();
+
+  const document = SwaggerModule.createDocument(app, swaggerConfig);
+  SwaggerModule.setup('api', app, document);
+
+  await app.listen(port);
+  console.log(`Application running on port ${port}`);
+  console.log(`Swagger UI available at http://localhost:${port}/api`);
+}
+
+bootstrap();