It’s as simple as this: $ docker run flask-hello Our container runs successfully, and we get some output from Flask saying that it’s ready to serve our page.

A YAML file, docker-compose.yml, that Docker Compose will use to launch containers from those images and configure their services. The files that comprise the application itself.

For developers keen on using programming language Python, there's a new tutorial that shows how to build a Python application in a Docker container using VS Code and Microsoft's VS Code Docker ...