Feature: Switch from Apache2 to Nginx

install/optional_migrate_to_nginx.sh

@@ -0,0 +1,100 @@
+#!/bin/bash
+
+set -e  # Exit on error
+
+SITE_NAME="sg1_v4"
+SITE_ROOT="/home/pi/sg1_v4/web"
+NGINX_CONF="/etc/nginx/sites-available/$SITE_NAME"
+NGINX_LINK="/etc/nginx/sites-enabled/$SITE_NAME"
+
+echo "This script will migrate your system from Apache2 to Nginx and modify system services."
+
+read -p "Are you sure you want to continue? [yes/no]: " CONFIRM
+CONFIRM=$(echo "$CONFIRM" | tr '[:upper:]' '[:lower:]')
+if [[ "$CONFIRM" != "yes" ]]; then
+    echo "Aborting migration."
+    exit 1
+fi
+
+read -p "Do you want to [disable] or [remove] Apache2? [disable/remove]: " APACHE_ACTION
+APACHE_ACTION=$(echo "$APACHE_ACTION" | tr '[:upper:]' '[:lower:]')
+
+if [[ "$APACHE_ACTION" == "remove" ]]; then
+    echo "Attempting to stop and remove Apache2..."
+
+    if systemctl list-units --type=service --all | grep -q apache2.service; then
+        sudo systemctl stop apache2 || true
+        sudo systemctl disable apache2 || true
+    else
+        echo "Apache2 service not found—may already be removed."
+    fi
+
+    if dpkg -l | grep -q apache2; then
+        sudo apt purge -y apache2 apache2-utils apache2-bin apache2.2-common || true
+        sudo apt autoremove -y || true
+    else
+        echo "Apache2 packages not found—likely already removed."
+    fi
+elif [[ "$APACHE_ACTION" == "disable" ]]; then
+    echo "Attempting to disable Apache2..."
+
+    if systemctl list-units --type=service --all | grep -q apache2.service; then
+        sudo systemctl stop apache2 || true
+        sudo systemctl disable apache2 || true
+    else
+        echo "Apache2 service not found—already removed or not installed."
+    fi
+else
+    echo "Invalid choice: must be 'disable' or 'remove'."
+    exit 1
+fi
+
+echo "Installing Nginx..."
+sudo apt update || true
+sudo apt install -y nginx
+
+echo "Changing Nginx user from www-data to pi..."
+sudo sed -i 's/^user www-data;/user pi;/' /etc/nginx/nginx.conf || true
+
+echo "Creating Nginx site config at $NGINX_CONF..."
+sudo tee "$NGINX_CONF" > /dev/null <<EOF
+server {
+    listen 80;
+    server_name _;
+
+    root $SITE_ROOT;
+    index index.html index.htm;
+
+    access_log /var/log/nginx/access.log;
+    error_log /var/log/nginx/error.log;
+
+    location / {
+        try_files \$uri \$uri/ =404;
+    }
+
+    location /stargate/ {
+        proxy_pass http://localhost:8080/;
+        proxy_set_header Host \$host;
+        proxy_set_header X-Real-IP \$remote_addr;
+        proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto \$scheme;
+
+        proxy_http_version 1.1;
+        proxy_redirect off;
+    }
+}
+EOF
+
+echo "Enabling the new site..."
+sudo ln -sf "$NGINX_CONF" "$NGINX_LINK" || true
+
+echo "Removing default Nginx site if it exists..."
+sudo rm -f /etc/nginx/sites-enabled/default || true
+
+echo "Testing Nginx configuration..."
+sudo nginx -t
+
+echo "Reloading Nginx..."
+sudo systemctl reload nginx
+
+echo "Migration complete. Nginx is now serving your site from $SITE_ROOT"