How to Dockerize a Django Application

Introduction In this tutorial, you will dockerize a django application using Docker. Docker is an open platform for developing, shipping, […]

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August 31, 2026 4 min read 0

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Introduction Prerequisites: Step 1 — Create a virtual environment to isolate your app dependencies. On windows machine, you can install virtualenv module to create virtual environment and on linux, you can use venv module. I am using venv to create a virtual environment on my linux machine. Step 2 – A folder named venv will be ceated on the location where you ran above command. Let’s activate the environment: Step 3 – Now that you are inside your virtual environment, let’s install dependencies that are required for this project: Step 4 – In this step, you will start a new django project by using following command. Step 5 – To test your application locally, First enter your project directory and run the server using following commands. Step 6 – Navigate to http://localhost:8000/ to view the Django welcome screen. It should look like as shown in image: Step 7 – Now, you will create a requirements.txt file in your project’s root directory. Use below command to automatically create a requirements.txt and copy all dependencies in it. Step 8: Let’s deactivate the virtual environment using following command: Step 9 – Now, Delete the db.sqlite3 file from your project directory as you will use ‘postgres’ database for your django application in next steps Step 10 – Let’s edit ‘ALLOWED_HOST’ in settings.py file present in myproject directory as shown in image: Step 11 – Let’s edit database connection settings for postgres in settings.py file of django project. First, import os module and change the following lines in settings.py file as shown in image below: Step 12 – In this step, you will create a Dockerfile in your project’s root directory and add the lines in it as shown in image: Step 13 – Let’s create a docker-compose.yaml file in project’s root directory and add the following lines in it: Step 14 – Finally, Run your django app using below command: Step 15 – You will see the output in terminal as shown below:

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