#cloud-config package_update: true package_upgrade: false runcmd: - curl -fsSL https://get.docker.com | sh - usermod -aG docker ubuntu || true - mkdir -p /opt/greencoast - apt-get update && apt-get install -y git ca-certificates - git clone --depth=1 https://github.com/yourname/greencoast.git /opt/greencoast - cd /opt/greencoast && docker compose pull || true - cd /opt/greencoast && docker compose up -d - ufw allow 8080/tcp || true - ufw allow 8081/tcp || true final_message: "GreenCoast shard bootstrapped on ports 8080/8081."