Building Python Application in Docker

Docker container is a very popular way to build Python applications.

Installing Docker

1. Of course, we will need to install Docker to start using it. We will follow DigitalOcean’s excellent installation guide for Ubuntu 22.04 (https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-ubuntu-22-04). If you are using other versions of the Linux distribution, you can simply use the drop-down menu from the documentation to pick a different version. For installation on Mac or Windows, my recommendation would be to install Docker Desktop (https://docs.docker.com/desktop/). It will include the Docker Engine, CLI client, and GUI application.

$ sudo apt-get update
$ sudo apt-get -y upgrade
$ sudo apt install apt-transport-https ca-certificates curl software-properties-common
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
$ echo "deb [arch...