Method findOne

sample/06-mongoose/src/cats/cats.controller.ts:22–24

(@Param('id') id: string)

  @Get(':id')
  async findOne(@Param('id') id: string): Promise<Cat> {
    return this.catsService.findOne(id);
  }

  @Post(':id')
  async update(@Param('id') id: string, @Body() updateCatDto: UpdateCatDto) {