Auto installer nginx open source debian.

install_nginx.sh

#!/bin/sh

# Update system and install dependencies
sudo apt update && \
sudo apt install -y curl gnupg2 ca-certificates lsb-release debian-archive-keyring

# Add NGINX official signing key
curl https://nginx.org/keys/nginx_signing.key | gpg --dearmor \
     | sudo tee /usr/share/keyrings/nginx-archive-keyring.gpg >/dev/null

# Add NGINX repository
echo "deb [signed-by=/usr/share/keyrings/nginx-archive-keyring.gpg] \
https://nginx.org/packages/debian $(lsb_release -cs) nginx" \
    | sudo tee /etc/apt/sources.list.d/nginx.list

# Set APT pinning to prefer NGINX.org packages
echo -e "Package: *\nPin: origin nginx.org\nPin: release o=nginx\nPin-Priority: 900\n" \
   | sudo tee /etc/apt/preferences.d/99nginx

# Update and install NGINX
sudo apt update && sudo apt install -y nginx

# Clean up apt cache
sudo apt clean