Update Docker stable docs (v3.2)#1001

Merged

arm4b merged 4 commits intov3.2from

docker-update-v3.2

Aug 4, 2020

Commits on Jul 30, 2020

Reorder the deployment methods by simplicity
armab
committed
Update Docker installation instructions
armab
committed

Commits on Aug 4, 2020

Fix Docker link
armab
committed
Fix Puppet link
armab
committed