Dropwizard is an open-source Java framework used for the fast development of high-performance RESTful web services. It gathers some popular libraries to create the lightweight package. The main libraries that it uses are Jetty, Jersey, Jackson, JUnit, and Guava. Furthermore, it uses its own library called Metrics. Let’s learn some basic concepts of Dropwizard Core. In this blog series, we’ll learn Dropwizard Configuration, Health, Bundles, Commands, Logging, Filters, and Representation.