Double quotes

src/freedombone-template

     if [ ! $app_daemon ]; then
         echo "        echo '    try_files \$uri \$uri/ /index.html;' >> \$${app_name}_nginx_site"
     else
-        echo "        echo '    proxy_pass http://localhost:\$${app_name_upper}_PORT;' >> \$${app_name}_nginx_site"
+        echo "        echo \"    proxy_pass http://localhost:\$${app_name_upper}_PORT;\" >> \$${app_name}_nginx_site"
     fi
     echo "        echo '  }' >> \$${app_name}_nginx_site"
     echo "        echo '}' >> \$${app_name}_nginx_site"
 if [ ! $app_daemon ]; then
     echo "    echo '    try_files \$uri \$uri/ index.html;' >> \$${app_name}_nginx_site"
 else
-    echo "    echo '    proxy_pass http://localhost:\$${app_name_upper}_PORT;' >> \$${app_name}_nginx_site"
+    echo "    echo \"    proxy_pass http://localhost:\$${app_name_upper}_PORT;\" >> \$${app_name}_nginx_site"
 fi
 echo "    echo '  }' >> \$${app_name}_nginx_site"
 echo "    echo '}' >> \$${app_name}_nginx_site"