images.controller.ts

import { Controller, Get, Param, Res } from '@nestjs/common';
import { Response } from 'express';
import { join } from 'path';

@Controller('images')
export class ImageController {
    @Get(':id')
    public image(@Param('id') id: string, @Res() res: Response) {
        res.sendFile(
            join(process.cwd(), 'photos', `${id.replace(/\.jpg$/, '')}.jpg`),
        );
    }
}