# Architecture ## Overview OncoKB™ website consists of following components: * Frontend built with React, Mobx and Bootstrap * User/Permission management backend written in Java with Spring Boot * Annotation service(core) backend written in Java * MySQL databases The frontend is a single page app built with React, Mobx and Bootstrap. The data gets pulled from the backend REST APIs. The frontend is by default included with the backend so no extra setup is required. The backends are written in Java and connects to MySQL databases to serve a REST API generated by swagger (). ![](/files/-M380AJQbxFxDuFBU8-F) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://api.oncokb.org/oncokb-website/architecture.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.