About Dokku
Dokku is an open-source PaaS alternative to Heroku that runs on Docker. It’s built for developers and ops teams who want to host apps on their own hardware or affordable cloud providers, using Git-based workflows and Heroku buildpacks.
Key Features
In practice, Dokku acts as a self-hosted PaaS that supports Git-based app delivery and Heroku-style buildpacks on commodity hardware. It helps teams run isolated containers with familiar deployment workflows and extend functionality via plugins:
Git-based deployment
Push Heroku-compatible applications to Dokku via Git, where they are built with Heroku buildpacks and run in isolated containers.
Containerization
Applications run in isolated containers on a single host, enabling predictable lifecycle management.
Heroku buildpack compatibility
Build and run apps using Heroku buildpacks to leverage familiar workflows.
Plugin-based extensibility
Extend functionality with plugins written in any language; plugins can be shared and added to customize the PaaS.
Summary
Best for small development teams, operations-focused teams managing self-hosted PaaS, and startups prioritizing cost control and vendor independence.
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