In this chapter, we reviewed tools and features that can add significantly to the way we develop Heroku web apps. We explored the Cloud 9 web-based IDE that supports most popular programming languages and provides a powerful development environment for writing cloud apps. We also delved into how the Heroku Postgres data service works and how you could use the most common database operations to support your web apps. We also introduced domain name resolution and how it works for Heroku when you configure custom domains. Finally, in the advanced features, we explored the power of 2X dynos that can power-up your web dynos to scale better and deliver superior performance. In the end, we looked at a few techniques to keep your small app web dynos active when they are not being used. All these tips can help you as a reference, as you maintain and enhance your applications on the Heroku platform.

In the next chapter, we will explore the security aspects of the Heroku platform and review...