Create a docker image for python django app

Dockerfile

# base image  
FROM python:3.8   
# setup environment variable  
ENV DockerHOME=/home/app/webapp  

# set work directory  
RUN mkdir -p $DockerHOME  

# where your code lives  
WORKDIR $DockerHOME  

# set environment variables  
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1  
# install dependencies  
RUN pip install --upgrade pip  
# copy whole project to your docker home directory. 
COPY . $DockerHOME  
# run this command to install all dependencies  
RUN pip install -r requirements.txt  
# port where the Django app runs  
EXPOSE 8000  
# start server  
CMD python manage.py runserver 0.0.0.0:3000

Sample requirements.txt file:

autopep8==1.5.7
psycopg2==2.9.1
Django==3.2

Build image:

docker build . -t uday1kiran/todoapp:1.0

To run it after creation:

docker run -d -p 8000:8000 uday1kiran/todoapp:1.0

Upload to hub:

docker push uday1kiran/todoapp:1.0

Reference