How To Deploy A Secure Django Application on Kubernetes by@sunguroku
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How To Deploy A Secure Django Application on Kubernetes

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This blog article is based on the documentation and example repository written by Porter's community member, jimcru21. With Porter, you can deploy Django applications on Kubernetes with minimal overhead. Porter is a Platform as a Service (PaaS) that runs in the user's own cloud. It's possible to create a cluster on AWS, GCP, and Digital Ocean with a single click. It is not necessary to containerize your Django application to deploy it through Porter.

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This blog article is based on the documentation and example repository written by Porter's community member, jimcru21.

Kubernetes is a powerful container orchestrator that automates deployments, management, and scaling of containerized applications. Despite all these benefits of Kubernetes, however, there is typically a ton of overhead to it that is often not justified for simple applications. In this tutorial, we go over how to deploy Django applications on major cloud providers' Kubernetes offerings (e.g. EKS, GKE, DOKS) in a few clicks using Porter, without even having to containerize your applications.

What is Porter?

Porter is a Platform as a Service (PaaS) that runs in the user's own cloud. If you're familiar with Heroku/Vercel/Netlify, Porter brings the ease of use of those platforms into your own cloud, particularly into your own Kubernetes cluster. With Porter, you can deploy and scale Django applications on Kubernetes with minimal overhead without having to write a `Dockerfile` or `YAML` files.

Porter is open source. Check out the source code here.

Provisioning the Kubernetes Cluster

Before you can start deploying a Django application on Kubernetes, you must first provision a Kubernetes cluster. With Porter, it's possible to create a cluster on AWS, GCP, and Digital Ocean with a single click. Follow this guide to provision the cluster in the cloud provider of your choice.

Alternatively, you can also provision a cluster on your own and connect Porter to an existing cluster. These are the guides on how to create your own cluster for each cloud provider:

After you've created a Kubernetes cluster, you can connect to it via the Porter CLI per this guide.

Prepare Django Application

While it is not necessary to containerize your Django application to deploy it through Porter, you must follow these steps for a successful deployment.

1. Install `django-allow-cidr` (this is the middleware to enable the use of CIDR IP ranges in `ALLOWED_HOSTS`)

pip install django-allow-cidr

2. Go to Django Settings and add `os.environ.get` in allowed host.

ALLOWED_HOSTS = os.environ.get("DJANGO_ALLOWED_HOSTS", default='').split(" ")

3. Add allowed CIDR networks. Put CIDR according to the Kubernetes kubelet CIDR. If you've provisioned the cluster through Porter, it is set to `` by default. If you've provisioned the cluster yourself, consult your cloud console to find the CIDR.

ALLOWED_CIDR_NETS = os.environ.get("ALLOWED_CIDR_NETS", default='').split(" ")

4. Add `django-allow-cidr` middleware to the application.


5. Add Gunicorn

pip install gunicorn

6. Add static folder and add your HTML and CSS files. Locate static URL settings and add static file dirs below:

  os.path.join(BASE_DIR, 'static'),
STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')

7. Add a `Procfile` to your repository. This is an alternative configuration to `Dockerfile` that uses Cloud Native Buildpacks, which have been popularized by Heroku. Porter uses the `Procfile` to build your images if a `Dockerfile` is not present.

web: gunicorn <project-name>.wsgi -b --timeout 120

8. Lastly, generate a requirements file.

pip freeze > requirements.txt
Sample repository for the above configuration:

Deploy Django on Porter

1. Visit the Porter Dashboard. Click Web Service > Launch Template.

2. Name your application.


3. When prompted for the deployment method, click Git Repository. Connect your GitHub account and select the repo you'd like to deploy from.


4. Select the branch (main in the example below), then hit Continue.


5. Porter will read your `Procfile` and prompt you for the name of the process you'd like to run. In the example above, the process is named `web`. By default, Porter stores your build artifacts in the registry that was provisioned by Porter. If you've connected to an existing cluster, you can also connect an existing container registry to Porter using our CLI per this guide.


6. In Additional settings, specify the container port that you use for `gunicorn` in the `Procfile` (in the example above, this is set to `8989`). You can also configure custom domain per this guide.


7. From the Environment tab, set `DJANGO_ALLOWED_HOSTS` that we specify on Django settings. Then input the domain you have set for your application.


8. Click Deploy then wait for buildpack to finish and push to porter. Porter writes a GitHub Actions file to your repository for Continuous Integration. You can check the build progress on your GitHub repository under the Action tab.



Kubernetes can be a mountain to climb for newcomers, but developers are drawn to its benefits despite the steep learning curve. Porter is a platform that makes Kubernetes easy to the extent that the user doesn't have to learn anything about Kubernetes, or even Docker, to start deploying.

If you have any questions about this tutorial, join our discord community and ask away!

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