Setting up multer

multerConfig.js

// Usando multer para uploads de arquivos

const upload = multer({
    storage: multer.diskStorage({
        destination: (req, file, cb) => {
            cb(null, 'src/uploads')
        },
        filename: (req, file, cb) => {
            const uniqueName = `${Date.now()}-${Math.random() * 1e9}${path.extname(file.originalname)}`
            cb(null, uniqueName)
        }
    }),
    limits: { fileSize: 1 * 1024 * 1024 }, // 1MB
    fileFilter: (req, file, cb) => {
        if (file.originalname.match(/\.(png|jpg|jpeg)$/)) {
            return cb(null, file)
        }

        cb(new Error('Formato de arquivo inválido'))
    }

})