How to enable HTTPS in a Spring Boot Java application

Setting up HTTPS for Spring Boot requires two steps:

  1. Getting an SSL certificate;
  2. Configuring SSL in Spring Boot.

We can generate an SSL certificate ourselves (self-signed certificate). Its use is intended just for development and testing purposes. In production, you should use a certificate issued by a trusted Certificate Authority (CA). Whether you’re going to generate a self-signed certificate or you have already got one by a CA, I’ll show you how to enable HTTPS in a Spring Boot application.

how to enable HTTPS in Spring Boot - Thomas Vitale

In this tutorial I’ll explain how to:

  1. Get an SSL certificate
    • Generate a self-signed SSL certificate
    • Use an existing SSL certificate
  2. Enable HTTPS in Spring Boot
  3. Redirect HTTP requests to HTTPS
  4. Distribute the SSL certificate to clients.

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