Before we begin building images, let's understand the context first. An image is a standalone package that can run an application or allocated service. Images are built through Dockerfiles, which are templates that define how images are to be built.
A container is defined as a runtime instance or version of an image. Note this will run on your computer or the host as a completely isolated environment, which makes it disposable and viable for tasks such as testing.
With the Dockerfiles ready, let's get to the Python Dockerfile directory and build the image.
The command to build images is as follows:
docker build -t <image-name> <relative location of the Dockerfile>
-t stands for the tag. The
<image-name> can include the ...