Deploying applications in a multi-server environment
In this section, we are going to learn how to deploy our app and scale it out vertically. We are going to use only two servers this time: one for the Reverse Proxy/Load Balancer and another for the node application. We can scale this out by adding more node application servers and database servers, and by referencing it in the load balancer.
For this section's sake, we going to deploy our app in two servers: one server containing Nginx that serves as the load balancer and another server that contains the NodeJS app and the database.
Figure 6: Two-server deployment
Setting up the app server – NodeJS ...
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