Choice of language and framework
Build microservices with Groovy and Ratpack, reactive APIs using Scala and Play, web apps with minimal fuss using Spark and high performance web apps with Spring Boot/Spring Cloud. Heroku provides buildpacks for Java, Scala, Play, Clojure, Gradle and Grails. Learn more >>
Curated language stacks, intelligent defaults
Get early access to the latest JDK as soon as it’s available. Heroku runs your app on the latest stable version, Java 8, by default. Heroku sets intelligent defaults for your max heap size and stack size based on the size of the dyno smart container your app is running in. Learn more >>
Extend your apps with 150+ Add-ons
Heroku add-ons like CloudAMQP, Postgres, Redis, Treasure Data (Hadoop as a service) and GrapheneDB (Neo4J as a service) allow you to extend, manage and deploy modern JVM-based applications without operational overhead. Learn more >>