Building Images
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.
docker build
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 ...
Get Beginning DevOps with Docker now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
