Add healthcheck endpoint

Author: GuidoBR

backend/src/app.module.ts

@@ -8,7 +8,7 @@ import { PerplexityService } from './services/perplexity.service';
 import { PerplexityController } from './controllers/perplexity/perplexity.controller';
 import { UserController } from './user/user.controller';
 import { ReportsModule } from './reports/reports.module';
-
+import { HealthController } from './health/health.controller';
 @Module({
   imports: [
     ConfigModule.forRoot({
@@ -17,7 +17,7 @@ import { ReportsModule } from './reports/reports.module';
     }),
     ReportsModule,
   ],
-  controllers: [AppController, PerplexityController, UserController],
+  controllers: [AppController, HealthController, PerplexityController, UserController],
   providers: [AppService, AwsSecretsService, PerplexityService],
 })
 export class AppModule implements NestModule {

backend/src/health/health.controller.ts

@@ -0,0 +1,9 @@
+import { Controller, Get } from '@nestjs/common';
+
+@Controller('health')
+export class HealthController {
+  @Get()
+  health() {
+    return { status: 'ok' };
+  }
+}