configured base route and setup healthcheck endpoint

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);
+  }
+}