configured base route and setup healthcheck endpoint

src/app.controller.ts

@@ -1,12 +1,7 @@
 import { Controller, Get } from '@nestjs/common';
-import { AppService } from './app.service';
 
 @Controller()
 export class AppController {
-  constructor(private readonly appService: AppService) { }
-
-  @Get()
-  getHello(): string {
-    return this.appService.getHello();
-  }
+  @Get('health')
+  health(): void { }
 }

src/app.module.ts

@@ -1,10 +1,11 @@
 import { Module } from '@nestjs/common';
 import { AppController } from './app.controller';
-import { AppService } from './app.service';
+import { ExpensesService } from './services/expenses.service';
+import { ExpensesController } from './controllers/expenses/expenses.controller';
 
 @Module({
   imports: [],
-  controllers: [AppController],
-  providers: [AppService],
+  controllers: [AppController, ExpensesController],
+  providers: [ExpensesService],
 })
 export class AppModule {}

src/app.service.ts

@@ -1,8 +0,0 @@
-import { Injectable } from '@nestjs/common';
-
-@Injectable()
-export class AppService {
-  getHello(): string {
-    return 'Hello World!';
-  }
-}

src/controllers/expenses/create-expense.dto.ts

@@ -0,0 +1 @@
+export class CreateExpenseDto {}

src/controllers/expenses/expense.entity.ts

@@ -0,0 +1 @@
+export class Expense {}

src/controllers/expenses/expenses.controller.ts

@@ -0,0 +1,34 @@
+import { Controller, Get, Post, Body, Patch, Param, Delete } from '@nestjs/common';
+import { ExpensesService } from '../../services/expenses.service';
+import { CreateExpenseDto } from './create-expense.dto';
+import { UpdateExpenseDto } from './update-expense.dto';
+
+@Controller('expenses')
+export class ExpensesController {
+  constructor(private readonly expensesService: ExpensesService) {}
+
+  @Post()
+  create(@Body() createExpenseDto: CreateExpenseDto) {
+    return this.expensesService.create(createExpenseDto);
+  }
+
+  @Get()
+  findAll() {
+    return this.expensesService.findAll();
+  }
+
+  @Get(':id')
+  findOne(@Param('id') id: string) {
+    return this.expensesService.findOne(+id);
+  }
+
+  @Patch(':id')
+  update(@Param('id') id: string, @Body() updateExpenseDto: UpdateExpenseDto) {
+    return this.expensesService.update(+id, updateExpenseDto);
+  }
+
+  @Delete(':id')
+  remove(@Param('id') id: string) {
+    return this.expensesService.remove(+id);
+  }
+}

src/controllers/expenses/update-expense.dto.ts

@@ -0,0 +1,4 @@
+import { PartialType } from '@nestjs/mapped-types';
+import { CreateExpenseDto } from './create-expense.dto';
+
+export class UpdateExpenseDto extends PartialType(CreateExpenseDto) {}

src/main.ts

@@ -4,6 +4,7 @@ import { NestExpressApplication } from '@nestjs/platform-express';
 
 async function bootstrap() {
   const app = await NestFactory.create<NestExpressApplication>(AppModule);
+  app.setGlobalPrefix('common-cents');
   await app.listen(process.env.PORT ?? 3000);
 }
 bootstrap();

src/services/expenses.service.ts

@@ -0,0 +1,26 @@
+import { Injectable } from '@nestjs/common';
+import { CreateExpenseDto } from '../controllers/expenses/create-expense.dto';
+import { UpdateExpenseDto } from '../controllers/expenses/update-expense.dto';
+
+@Injectable()
+export class ExpensesService {
+  create(createExpenseDto: CreateExpenseDto) {
+    return 'This action adds a new expense';
+  }
+
+  findAll() {
+    return `This action returns all expenses`;
+  }
+
+  findOne(id: number) {
+    return `This action returns a #${id} expense`;
+  }
+
+  update(id: number, updateExpenseDto: UpdateExpenseDto) {
+    return `This action updates a #${id} expense`;
+  }
+
+  remove(id: number) {
+    return `This action removes a #${id} expense`;
+  }
+}