Node.js

• Getting Started on Heroku with Node.js
• Heroku Node.js Support Reference

• Troubleshooting Node.js Apps
• Working with Node.js
• Node.js Behavior in Heroku

Ruby

• Getting Started on Heroku with Ruby
• Heroku Ruby Support

• Rails Support
• Working with Bundler
• Working with Ruby
• Ruby Behavior in Heroku
• Troubleshooting Ruby Apps

Python

• Getting Started on Heroku with Python
• Heroku Python Support Reference
• Optimizing Python Application Concurrency

• Working with Python
• Background Jobs in Python
• Python Behavior in Heroku
• Working with Django

Java

• Getting Started on Heroku with Java
• Getting Started with Gradle on Heroku
• Heroku Java Support Reference

• Java Behavior in Heroku
• Working with Java
• Working with Maven
• Working with Spring Boot
• Troubleshooting Java Apps

PHP

• Getting Started on Heroku with PHP
• Getting Started with Laravel on Heroku
• Heroku PHP Support Reference
• Scaling a Laravel Application with Memcache

• PHP Behavior in Heroku
• Working with PHP

Go

• Getting Started on Heroku with Go
• Heroku Go Support
• Go Session Handling on Heroku
• Go Language Metrics (Public Beta)
• Background Jobs with Que-Go
• OAuth2 with Heroku & Go
• Using WebSockets on Heroku with Go
• Scaling a Gin Application with Memcache

• Go Dependency Management

Scala

• Getting Started on Heroku with Scala and Play
• Heroku Scala Support
• Deploying Scala Apps on Heroku
• Database Connection Pooling with Scala
• Reducing the Slug Size of Play Framework Applications
• Using Node.js to Perform JavaScript Optimization for Play and Scala Applications
• Running a Remote sbt Console for a Scala or Play Application

Clojure

• Getting Started on Heroku with Clojure
• Heroku Clojure Support
• Deploying Clojure Apps on Heroku
• Database Connection Pooling with Clojure

.NET

• Heroku .NET Support
• Getting Started on Heroku with .NET
• .NET Behavior in Heroku

• Working with .NET