如何搭建一个高可用的Java Web系统

整体架构介绍

one java web system consist of java back-end project and font-end project and DB as well as other middleware(e.g ramDB,mq,mircoservice middleware) I worked as a software engineer in China for 4 years.Now I want to share some experience. Even through it may not be exactly correct both in my essay and my english lol. let's assume that we have a vey simple architecture. how do we develop it to a highly available system

simple architecture：

At first, we should achieve this simple architecture.

Frist Part---- Font-End And Load Balancer

Second Part---- Back-End

• build a spring boot project and integrate basic components
• integrate security in our system