In this article, we want to know how we can (1) generate a valid certificate for free; (2) configure a Spring Boot app with it; and lastly (3) how to renew it when it expires.
In my previous blog post, we became familiar with configuration of an Spring Boot Application with a self-signed certificate. Self-signed certificates are good for specific purposes such as test and development. But, if one needs to ship his application to production, certificates should be signed by known and legitimate Certificate Authorities (CA).
These types of certificates are usually expensive. If you want to harden your application with TLS, you need to purchase one of them. The price and complex configuration of application servers made a barrier for many web applications to use secure connections.
In the post-Snowden era, no one needs to convince us that having secure connection using HTTPS is a must. There are lots of efforts to increase awareness of developers and IT administrators to employ such technologies for every single website they make. But how?
Let’s Encrypt projects aims at bringing HTTPS to World Wide Web not only for free but also with the simplest way of configuration.
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