Gunicorn | Fast & Resource Optimized Python Web Server

Gunicorn  Web Server Solution Stack

Fast & Resource Optimized WSGI Python Web Server

Gunicorn is a Python web server gateway interface. It is a fast web server with optimized resource usage and works with a wide variety of web frameworks.


Gunicorn is unique as compared to many WSGI server implementations because it is highly stable and powers some of the largest Python-based web applications in the world including the famous social media platform Instagram. Gunicorn is a pure Python web server for WSGI applications. It provides a perfect balance of performance, flexibility, and configuration simplicity. It is also incredibly light on resources and you can set the priority of certain endpoints and retain performance on your servers for where it is needed the most.

Gunicorn web server is the only WSGI server for Python that is compatible with almost everything. This is the typical server that you might use when working with both Flask and Django, which are the two most popular web-frameworks for Python. One of the advantages of using Gunicorn is that it is fairly quick and resource friendly. Its architecture is fairly simple, which means that it can typically be implemented very easily and still run incredibly fast. It is primarily written in the C programming language, which means it is likely on top of any other server written in pure Python in terms of speed and performance.

System Requirements

Following are the requirements to install Gunicorn on Ubuntu 18.04

  • Ubuntu 18.04 server
  • Access to a command-line/terminal window
  • A non-root user with sudo permissions
  • A basic firewall


  • Works with Paster, Django, and WSGI out of the box.
  • Worker process management is automatic.
  • Simple Python configuration
  • Multiple worker configurations
  • A variety of server hooks
  • Compatible with Python 2.6+ and Python 3.2+

Installation Instructions

First of all, update the package index using following command:

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sudo apt-get update -y

Install the Gunicorn package by running following command:

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sudo apt-get install -y gunicorn

Check the system logs to confirm that there are no related errors.


In this tutorial, we have explained the installation process and features of Gunicorn Python web server. To learn about other open source solution stack option, please check following pages: