add sudo in front of group add #1

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mayel wants to merge 1 commits from mayel-patch-1 into main

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@ -55,7 +55,7 @@ Abra can't deploy any applications in future steps unless it can run `docker` co
groups | grep docker
# if the docker group doesn't already exist, add it manually
groupadd docker
sudo groupadd docker
# add user to docker group
sudo usermod -aG docker $USER