Dokku is an extensible, open-source Platform as a Service (PaaS) that runs on a single server of your choice, Docker-powered mini-Heroku, the smallest PaaS implementation you've ever seen.
The most significant advantage of Dokku is that a single server can host multiple applications. Dokku allows developers to push applications to it using Git, where it will build those applications for you, package them into a Docker container, and then manage the lifetime of that container on your behalf. It uses Docker, a Linux container system, to manage its deployments, and allows users to deploy to a remote server. It will also automatically configure the Nginx web server for your application. Developers can also have customizations in Nginx settings.
The main advantages of Dokku are:
At least 1 GB of system memory.
Customize the deployment with Dockerfiles
Rich command-line interface
Customizable proxy management and Nginx config
Support multiple plugins that can add much more capability to the platform, including Let's Encrypt, ElasticSearch, PostgreSQL.
Where is Dokku Supported?
You can install Dokku on any hardware. Use it on inexpensive cloud providers. A fresh VM running any of the following operating systems:
Ubuntu 16.04/18.04/20.04 x64 - Any currently supported release
Debian 9+ x64
CentOS 7 x64 (experimental)
Arch Linux x64 (experimental)
Venturit uses Dokku extensively to build smart applications in different environments like QA, UAT, and Production.
How to install Dokku?
A step by step installation is provided here:
How much does Dokku cost?
Dokku is open-source and free for use… with Dokku, you get a variety of featured platform to install your apps that support Git deployment and lifetime management.
Need help in Dokku?
You can join a great community of developers that use Dokkku thorugh Slack.
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