new docker install script, to help streamline things.

one-time-stuff/docker-install.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+read -p "Add docker to apt sources and install docker? [y/N]: " response
+case $response in
+    [Yy]* )
+        # Add Docker's official GPG key:
+        sudo apt-get update
+        sudo apt-get install ca-certificates curl
+        sudo install -m 0755 -d /etc/apt/keyrings
+        sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+        sudo chmod a+r /etc/apt/keyrings/docker.asc
+
+        # Add the repository to Apt sources:
+        echo \
+            "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
+            $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
+            sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+        sudo apt-get update
+
+        sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+
+        # Create docker group, and add yourself to it
+        sudo groupadd docker
+        sudo usermod -aG docker $USER
+        newgrp docker
+
+        ;;
+    * )
+        echo 'Skipping'
+        ;;
+esac