nginx installer shell script (debian only)

nginx-debian-installer.sh

#!/bin/bash
apt update
apt upgrade -y
apt install curl gnupg2 ca-certificates lsb-release dirmngr software-properties-common apt-transport-https -y
curl -fSsL https://nginx.org/keys/nginx_signing.key | gpg --dearmor | tee /usr/share/keyrings/nginx-archive-keyring.gpg > /dev/null
gpg --dry-run --quiet --import --import-options import-show /usr/share/keyrings/nginx-archive-keyring.gpg
echo "deb [arch=amd64,arm64 signed-by=/usr/share/keyrings/nginx-archive-keyring.gpg] http://nginx.org/packages/mainline/debian `lsb_release -cs` nginx" | tee /etc/apt/sources.list.d/nginx.list
echo -e "Package: *\nPin: origin nginx.org\nPin: release o=nginx\nPin-Priority: 900\n" | tee /etc/apt/preferences.d/99nginx
apt update
apt install nginx -y