01

Find images at docker hub the green ones marked Official... are maintained by docker

You can get alot of pre made stuff like for

• Mongo
• Postgres
• Redis
• etc..

**NOTe you do Not have to sign up

02

Images have different versions defined as tags located in Images page clicked, example the first Redis image at https://hub.docker.com/_/redis

**NOTE, make sure to click text portion of image

03

You can use

docker pull

whatever image you want, but if you don't specify a version with :
(i believe)
you automatically download the latest one seen at top

Select specific tag ,

docker pull <name>:<tag>
                            

04

Find the official ngnix images seen in tutorial, use the command to get ngnix versions with tagname,

Example is old they used :1.23

docker pull ngnix