Install docker desktop from official website
To build docker image, go to project directory and run:
docker build -t ai-sales .
this will build an image from Dockerfile. You will be able to see this image in your docker desktop app in images section
To start the webapp, run:
docker run -p 8000:8000 --name ai-sales ai-sales
in project directory. You will see the running container in docker desktop in containers section