initial commit

install/docker.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "==> Setting up Docker..."
+
+if command -v docker &>/dev/null; then
+    echo "    docker already installed: $(docker --version)"
+else
+    echo "    installing docker engine..."
+    # official docker install script (works on Ubuntu/Mint)
+    curl -fsSL https://get.docker.com | sudo sh
+fi
+
+# add current user to docker group so we don't need sudo
+if ! groups | grep -q docker; then
+    sudo usermod -aG docker "$USER"
+    echo "    added $USER to docker group — log out and back in to apply"
+fi
+
+echo "==> Docker done."