Docker vs Heroku: What are the differences?
What is Docker? Enterprise Container Platform for High-Velocity Innovation. The Docker Platform is the industry-leading container platform for continuous, high-velocity innovation, enabling organizations to seamlessly build and share any application — from legacy to what comes next — and securely run them anywhere.
What is Heroku? Build, deliver, monitor and scale web apps and APIs with a trail blazing developer experience. Heroku is a cloud application platform – a new way of building and deploying web apps. Heroku lets app developers spend 100% of their time on their application code, not managing servers, deployment, ongoing operations, or scaling.
Docker and Heroku are primarily classified as "Virtual Machine Platforms & Containers" and "Platform as a Service" tools respectively.
Some of the features offered by Docker are:
- Integrated developer tools
- open, portable images
- shareable, reusable apps
On the other hand, Heroku provides the following key features:
- Agile deployment for Ruby, Node.js, Clojure, Java, Python, Go and Scala.
- Run and scale any type of app.
- Total visibility across your entire app.
"Rapid integration and build up", "Isolation" and "Open source" are the key factors why developers consider Docker; whereas "Easy deployment", "Free for side projects" and "Huge time-saver" are the primary reasons why Heroku is favored.
Docker is an open source tool with 54K GitHub stars and 15.6K GitHub forks. Here's a link to Docker's open source repository on GitHub.
Spotify, Pinterest, and Twitter are some of the popular companies that use Docker, whereas Heroku is used by StackShare, Heroku, and Product Hunt. Docker has a broader approval, being mentioned in 3527 company stacks & 3449 developers stacks; compared to Heroku, which is listed in 1504 company stacks and 964 developer stacks.
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