https://gasparsabater.com/deploy-reloaded-mejor-extension-sftp-vscode/

add-buttons.js

"packages": [
    {
        "name": "WEBPACK",
        "files": [
            "public/css/bundle.css", 
            "public/js/bundle.js"
        ]
    }
],

"buttons": [
    {
        "text": "🚚 NPM",
        "tooltip": "Upload npm run defined files in .vscode/settings.json",
        "command": "extension.deploy.reloaded.deployPackageFiles",
        "arguments": ["WEBPACK", "REMOTE"]
    }
]

settings.js

{
    "deploy.reloaded": {
        // Server targets
        // Here you can define multiple remote servers
        "targets": [
            {
                "type": "sftp",
                "name": "REMOTE",
                "host": "25.255.25.255",
                // "port": 22,
                "user": "USER",
                "password": "*****",
                "dir": "/srv/users/mysite/public/"
            }
        ],

        // Packages
        // Every package defines a group of files
        "packages": [
            {
                "name": "LOCAL",
                "description": "Local files",
                "deployOnSave": ["REMOTE"],
                "fastCheckOnSave": true,
                "checkBeforeDeploy": true,
                "files": ["**/*.*"],
                "exclude": [
                    "\\.DS_Store",
                    "Thumbs\\.db",
                    "desktop\\.ini",
                    "tests/**",
                    "*git/**",
                    ".vscode"
                ]
            }
        ],
        // Display the operation feedback for duration
        "showStatusWhenFinished": 3000
    }
}