docker build where is the image code example

Example 1: how to build docker image

docker build <Dockerfile path> -t image-name

Example 2: docker images command

docker images


NOTE:
To see which images are present locally, use the "docker images" command:
REPOSITORY   TAG      IMAGE ID        CREATED      SIZE
debian       jessie   f50f9524513f    5 days ago   125.1 MB
debian       latest   f50f9524513f    5 days ago   125.1 MB