Dokku vs Google App Engine: What are the differences?

What is Dokku? Docker powered mini-Heroku in around 100 lines of Bash. Docker powered mini-Heroku. The smallest PaaS implementation you've ever seen.

What is Google App Engine? Build web applications on the same scalable systems that power Google applications. Google has a reputation for highly reliable, high performance infrastructure. With App Engine you can take advantage of the 10 years of knowledge Google has in running massively scalable, performance driven systems. App Engine applications are easy to build, easy to maintain, and easy to scale as your traffic and data storage needs grow.

Dokku and Google App Engine can be categorized as "Platform as a Service" tools.

"Simple" is the primary reason why developers consider Dokku over the competitors, whereas "Easy to deploy" was stated as the key factor in picking Google App Engine.

Dokku is an open source tool with 17.7K GitHub stars and 1.44K GitHub forks. Here's a link to Dokku's open source repository on GitHub.

Snapchat, Movielala, and Feedly are some of the popular companies that use Google App Engine, whereas Dokku is used by MAK IT, Hostr, and Vufuzi. Google App Engine has a broader approval, being mentioned in 481 company stacks & 343 developers stacks; compared to Dokku, which is listed in 24 company stacks and 7 developer stacks.