[Bug]: Documentation outdated

[michimussato]

What happened?

This guide needs updating.

docker build -t openrv-rocky9 -f Dockerfile.Linux-Rocky9 .
[+] Building 0.1s (1/1) FINISHED                                                                                            docker:default
 => [internal] load build definition from Dockerfile.Linux-Rocky9                                                                     0.0s
 => => transferring dockerfile: 2B                                                                                                    0.0s
ERROR: failed to build: failed to solve: failed to read dockerfile: open Dockerfile.Linux-Rocky9: no such file or directory

List all the operating systems versions where this is happening

On what computer hardware is this happening?

Relevant console log output

Environment variables

No response

Extra information

No response

Code of Conduct

• I agree to follow this project's Code of Conduct