Spring Boot with Embedded Tomcat behind AWS ELB - HTTPS redirect

Question

Running Spring boot application port 8080 on EC2 instance.

AWS ELB configured to redirect

     80 -> 8080
     443 (SSL termination happens here)         


        

Answer 1

You will have to instantiate your own EmbeddedServletContainerFactory and set the secure property on the connector for this container to true. After that your Ant matcher rule will work.

Alternatively, you can check out the Spring Boot source code available on Github, add code for reading a boolean configuration property called server.channel.secure, setting it on the embedded Tomcat connector and submit a pull request for the Spring team to incorporate into the next release.

Answer 2

Looks like this did the trick:

@Component
public class TomcatCustomizer implements EmbeddedServletContainerCustomizer {

@Override
public void customize(ConfigurableEmbeddedServletContainer container) {
    TomcatEmbeddedServletContainerFactory tomcat = (TomcatEmbeddedServletContainerFactory) container;
    tomcat.addConnectorCustomizers(new TomcatConnectorCustomizer() {
        @Override
        public void customize(Connector connector) {
            connector.setSecure(true);  
        }
    });

}

}