Merge pull request #551 from aaronjamt/patch-1

vnc-version/Dockerfile

@@ -93,6 +93,9 @@ RUN if [[ "${RANKMIRRORS}" ]]; then { pacman -Sy wget --noconfirm || pacman -Syu
     && tee -a /etc/pacman.d/mirrorlist <<< 'Server = https://mirror.rackspace.com/archlinux/$repo/os/$arch' \
     && cat /etc/pacman.d/mirrorlist ; fi
 
+# Fixes issue with invalid GPG keys: update the archlinux-keyring package to get the latest keys, then remove and regenerate gnupg keys
+RUN pacman -Sy archlinux-keyring --noconfirm && rm -rf /etc/pacman.d/gnupg && pacman-key --init && pacman-key --populate
+
 USER arch
 
 RUN yes | sudo pacman -Syyuu --noconfirm \