Take a look a vert.x and Dropwizard. Spring Boot can handle maybe 10k requests per second, but Dropwizard is around 200k and vert.x maybe a million. If you're

Take a look a vert.x and Dropwizard. Spring Boot can handle maybe 10k requests per second, but Dropwizard is around 200k and vert.x maybe a million. If you're only using them for a REST API they offer similar features. Spring Boot supports loads of other stuff you probably don't need for something API driven