Dokku: Can not install latest dokku

[dilame]

Description of problem

Can't install latest dokku.

Steps to Reproduce

Go to http://dokku.viewdocs.io/dokku/getting-started/installation/
Copy install script

wget https://raw.githubusercontent.com/dokku/dokku/v0.14.1/bootstrap.sh;
sudo DOKKU_TAG=v0.14.1 bash bootstrap.sh

Actual Results

--> Installing dokku
2019-01-12 18:19:39 URL:https://packagecloud.io/gpg.key [3889/3889] -> "-" [1]
OK
deb https://packagecloud.io/dokku/dokku/ubuntu/ bionic main
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://packagecloud.io/dokku/dokku/ubuntu bionic InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FB2B6AA421CD193F
W: Failed to fetch https://packagecloud.io/dokku/dokku/ubuntu/dists/bionic/InRelease  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FB2B6AA421CD193F
W: Some index files failed to download. They have been ignored, or old ones used instead.
E: Version '0.14.1' for 'dokku' was not found

Expected Results

Latest dokku installed on my machine

Environment Information

Ubuntu 18.04.1 LTS

[sman591]

Also seeing this trying to run apt-get update on an existing install

[elipsitz]

I imagine this is related to #3384 -- this fixed it for me:

wget -qO - https://packagecloud.io/dokku/dokku/gpgkey | sudo apt-key add -

Although I would have thought the latest bootstrap script would have done this anyway?

[sman591]

@aegamesi that fixed it for me, thanks! I think the Git tag the docs refer to just needs to be updated to respect the mot recent changes, along with a new version

[josegonzalez]

The latest bootstrap script did have the new key but I hadn't made a release yet. It's fixed now in 0.14.2.