#283
Using the official ubuntu docker images.
Notes
Running the Latest Image
The ubuntu:latest tag points to the “latest LTS”
docker pull ubuntu:latest
If there are no instances of the image running, start a new one and execute directly to shell:
$ docker run --rm -it --entrypoint bash ubuntu:latest
root@652b3942f677:/# uname -a
Linux 652b3942f677 6.5.11-linuxkit #1 SMP PREEMPT Wed Dec 6 17:08:31 UTC 2023 aarch64 aarch64 aarch64 GNU/Linux
root@652b3942f677:/# cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=22.04
DISTRIB_CODENAME=jammy
DISTRIB_DESCRIPTION="Ubuntu 22.04.4 LTS"
Building a Docker Image Based on Ubuntu
The Dockerfile is a simple example of an image bas on the ubuntu:22.04 image.
It updates the catalog and installs the cowsay program.
Building the image:
docker build -t lck/ubuntu .
Running the image:
docker run --rm lck/ubuntu hi
____
< hi >
----
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
Cleaning up the image:
docker rmi lck/ubuntu