#!/bin/bash
set -e

# Check for root
if [ "$EUID" -ne 0 ]; then 
  echo "Please run as root (sudo)"
  exit 1
fi

echo "--- Cleaning up potential corrupt files ---"
rm -f /etc/apt/sources.list.d/docker.list

echo "--- Installing prerequisites ---"
apt-get update
apt-get install -y ca-certificates curl gnupg

echo "--- Setting up Docker repo ---"
install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg --yes
chmod a+r /etc/apt/keyrings/docker.gpg

echo \
  "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian \
  "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
  tee /etc/apt/sources.list.d/docker.list > /dev/null

echo "--- Installing Docker ---"
apt-get update
apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

echo "--- Installing Node.js 18 ---"
curl -fsSL https://deb.nodesource.com/setup_18.x | bash -
apt-get install -y nodejs

echo "--- Verifying installations ---"
docker -v
docker compose version
node -v
npm -v

echo "--- Setup Complete! ---"