What Is Dokku? The Minimal Open‑Source PaaS Powered by Docker
Dokku is an open‑source Platform‑as‑a‑Service built on Docker that uses Dockerfiles or Buildpacks to auto‑detect languages, runs apps in isolated containers, extends functionality via plugins, and has grown to over 28 000 GitHub stars since its 2013 launch.
Dokku is an open‑source Platform‑as‑a‑Service (PaaS) built on Docker, often described as a minimal Heroku‑compatible solution.
It builds applications using Dockerfiles or Buildpacks, which automatically detect the language of the repository and run the app in isolated containers. After installing Dokku, developers can push Heroku‑compatible apps via git.
The project aims to simplify deployment, letting developers focus on writing code.
Beyond Docker, Dokku leverages Nginx for web routing and Cron for scheduled tasks.
Dokku’s functionality is extended through plugins such as “config” for environment variables and “checks” for verifying app startup; users can also create and share their own plugins.
Created in 2013, Dokku has amassed over 28 000 stars on GitHub, more than 511 contributors, and its latest release is v0.34.9 (as of September 2024).
GitHub repository: https://github.com/dokku/dokku
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