Learn how to set up and use Gatling for performance testing in this comprehensive tutorial. Explore Maven integration, project setup, script creation, execution, and report analysis. Begin by checking prerequisites like JDK, Scala, and Maven installations. Set up your development environment with IntelliJ IDEA and necessary plugins. Create a Gatling project using Maven or clone an existing one from GitHub. Record tests, prepare scripts, and understand key components like protocol setup, scenario definition, and load simulation design. Execute Gatling scripts and interpret the generated reports to assess your application's performance.