The AlternaTicker Build AlternaTicker is built using Gradle and requires JDK 8. Implementation The AlternaTicker is currently: Written in Groovy. Implemented using Ratpack. Building Using the Gradle wrapper: ./gradlew clean build Running To run the standalone server: ./gradlew :run This will start the server and bind to Ratpack’s default port 5050. So the ticker is available at http://localhost:5050.