Step-by-Step Guide to Setting Up Let's Encrypt SSL on Nginx for Ubuntu

Let's Encrypt and Nginx are among the most popular technologies for deploying your app on a server. Today, we'll learn how to set up Nginx and a free SSL with Certbot on your Ubuntu server.

Prerequisites

To make sure your Nginx works, you need to set up your DNS records properly:

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  Create an A record pointing to your server's public IP address:

  
  

  Record Type: AName: @Content: YOUR_SERVER_IP

  
  


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  For subdomains, create an A record like this:

  
  

  Record Type: AName: your_subdomainContent: YOUR_SERVER_IP …

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