How to enable HTTP/2 support in Spring Boot?

You can enable HTTP/2 support in Spring Boot as follows: server.http2.enabled=true

Example:-

	
@Bean public ConfigurableServletWebServerFactory tomcatCustomizer() {

    TomcatServletWebServerFactory factory = new TomcatServletWebServerFactory(); 
   factory.addConnectorCustomizers(connector -> connector.addUpgradeProtocol(new Http2Protocol())); 

	return factory; 

}