---
lang: en
title: 'Boot and Mount a LoopBack 3 Application'
keywords: LoopBack 4.0, LoopBack 4, LoopBack 3, Node.js, TypeScript, OpenAPI
layout: readme
source: loopback-next
file: packages/booter-lb3app/README.md
sidebar: lb4_sidebar
permalink: /doc/en/lb4/Boot-and-Mount-a-LoopBack-3-application.html
---
