Properly escape variables in ssh commands to fix ShellCheck warnings

ssl_manager.sh

@@ -15,26 +15,26 @@ setup_ssl() {
 
     # Configure Nginx for domain
     echo -e "\n⚙️ Configuring Nginx for $domain..."
-    ssh "$admin_user@$server_ip" "sudo bash -c 'cat > /etc/nginx/sites-available/\\$domain << EOF
+    ssh "$admin_user@$server_ip" "sudo bash -c 'cat > /etc/nginx/sites-available/'\"\$domain\"' << EOF
 server {
     listen 80;
-    server_name \\\$domain www.\\\$domain;
+    server_name '\"\$domain\"' www.'\"\$domain\"';
     
     location / {
         proxy_pass http://localhost:8000;
-        proxy_set_header Host \\\$host;
-        proxy_set_header X-Real-IP \\\$remote_addr;
+        proxy_set_header Host \$host;
+        proxy_set_header X-Real-IP \$remote_addr;
     }
 }
 EOF'"
-    
+
     # Enable site
-    ssh "$admin_user@$server_ip" "sudo ln -sf /etc/nginx/sites-available/\\$domain /etc/nginx/sites-enabled/"
+    ssh "$admin_user@$server_ip" "sudo ln -sf /etc/nginx/sites-available/'\"\$domain\"' /etc/nginx/sites-enabled/"
     ssh "$admin_user@$server_ip" "sudo nginx -t && sudo systemctl reload nginx"
 
     # Get SSL certificate
     echo -e "\n🔑 Obtaining SSL certificate..."
-    ssh "$admin_user@$server_ip" "sudo certbot --nginx -d \\\$domain -d www.\\\$domain --non-interactive --agree-tos --email [email protected]"
+    ssh "$admin_user@$server_ip" "sudo certbot --nginx -d '\"\$domain\"' -d www.'\"\$domain\"' --non-interactive --agree-tos --email [email protected]"
 
     # Setup auto-renewal cron job
     echo -e "\n⏰ Setting up automatic renewal..."