Add Docker installation to setup script

This update incorporates commands for installing Docker, including setting up its repository, importing the GPG key, and installing necessary packages. These changes streamline Docker installation during the setup process.

03-install.sh

@@ -31,6 +31,28 @@ sudo update-grub
 # Add flathub
 flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
 
+# Install Docker
+# Add Docker's official GPG key:
+sudo apt update
+sudo apt install ca-certificates curl
+sudo install -m 0755 -d /etc/apt/keyrings
+sudo curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
+sudo chmod a+r /etc/apt/keyrings/docker.asc
+
+# Add the repository to Apt sources:
+sudo tee /etc/apt/sources.list.d/docker.sources <<EOF
+Types: deb
+URIs: https://download.docker.com/linux/debian
+Suites: $(. /etc/os-release && echo "$VERSION_CODENAME")
+Components: stable
+Architectures: $(dpkg --print-architecture)
+Signed-By: /etc/apt/keyrings/docker.asc
+EOF
+
+sudo apt update
+
+sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+
 # Install Lutris
 echo -e "Types: deb\nURIs: https://download.opensuse.org/repositories/home:/strycore:/lutris/Debian_13/\nSuites: ./\nComponents: \nSigned-By: /etc/apt/keyrings/lutris.gpg" | sudo tee /etc/apt/sources.list.d/lutris.sources > /dev/null
 wget -q -O- https://download.opensuse.org/repositories/home:/strycore:/lutris/Debian_13/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/lutris.gpg