### begin docker install ####
if isdeb; then
- # https://store.docker.com/editions/community/docker-ce-server-debian?tab=description
+# https://docs.docker.com/engine/install/ubuntu/
+
+sudo mkdir -p /etc/apt/keyrings
+
+ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+
+# lsb_release -cs -> debian-codename-compat
+echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $(debian-codename-compat) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+p update
+
+
pi software-properties-common apt-transport-https
curl -fsSL https://download.docker.com/linux/$(distro-name-compat)/gpg | sudo apt-key add -
url=https://download.docker.com/linux/$(distro-name-compat)