Update fedora.md

Docker-DCO-1.1-Signed-off-by: Alexander Shopov <ash@kambanaria.org> (github: alshopov)

Squashed by

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)

replaces #6478

Docker-DCO-1.1-Signed-off-by: Alexander Shopov <ash@kambanaria.org> (github: )
Remove old tag format

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Merge pull request #6599 from SvenDowideit/6478-update-fedora

Update fedora.md
Merge pull request #6620 from vieux/deprecate_tag_args

Remove old tag format
List all ports when calling `docker port container`

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)