you need to pull the docker image from dockerhub (docker repository). The following example of pulling the Apache HTTP server image.

$ docker pull httpd

Using default tag: latest

latest: Pulling from library/httpd

f5d23c7fed46: Pull complete

b083c5fd185b: Pull complete

bf5100a89e78: Pull complete

98f47fcaa52f: Pull complete

622a9dd8cfed: Pull complete

Digest: sha256:8bd76c050761610773b484e411612a31f299dbf7273763103edbda82acd73642

Status: Downloaded newer image for httpd:latest

geekflare@geekflare:/home/geekflare$