diff --git a/.github/prepare_debian.sh b/.github/prepare_debian.sh
index f0817e70..15c2286c 100755
--- a/.github/prepare_debian.sh
+++ b/.github/prepare_debian.sh
@@ -80,33 +80,10 @@ a2ensite default-ssl
 rm /etc/ssl/certs/ssl-cert-snakeoil.pem
 rm /etc/ssl/private/ssl-cert-snakeoil.key
 openssl req -nodes -newkey rsa:2048 -x509 -sha256 -days 365 -nodes -keyout /etc/ssl/private/ssl-cert-snakeoil.key -out /etc/ssl/certs/ssl-cert-snakeoil.pem -subj "/C=GB/ST=London/L=London/O=Global Security/OU=IT Department/CN=$(hostname)"
-
 # add a subdomain for testing
-cat >/etc/apache2/sites-available/subdomain1.conf <<EOL
-<VirtualHost *:80>
-    ServerName subdomain1.localhost.com
-    DocumentRoot /var/www/subdomain1
-
-    ErrorLog \${APACHE_LOG_DIR}/subdomain1_error.log
-    CustomLog \${APACHE_LOG_DIR}/subdomain1_access.log combined
-</VirtualHost>
-
-<VirtualHost *:443>
-    ServerName subdomain1.localhost.com
-    DocumentRoot /var/www/subdomain1
-
-    SSLEngine on
-    SSLCertificateFile /etc/ssl/certs/ssl-cert-snakeoil.pem
-    SSLCertificateKeyFile /etc/ssl/private/ssl-cert-snakeoil.key
-
-    ErrorLog \${APACHE_LOG_DIR}/subdomain1_ssl_error.log
-    CustomLog \${APACHE_LOG_DIR}/subdomain1_ssl_access.log combined
-</VirtualHost>
-EOL
+cp tools/subdomain1/subdomain1.conf /etc/apache2/sites-available/
 mkdir -p /var/www/subdomain1
-cat >/var/www/subdomain1/index.php <<EOL
-Subdomain: subdomain1.localhost.com
-EOL
+cp tools/subdomain1/index.php /var/www/subdomain1/
 echo '127.0.0.1 subdomain1.localhost' >> /etc/hosts
 echo '127.0.0.1 subdomain1.localhost.com' >> /etc/hosts
 apache2ctl configtest
diff --git a/tools/subdomain1/index.php b/tools/subdomain1/index.php
new file mode 100644
index 00000000..e97b19f5
--- /dev/null
+++ b/tools/subdomain1/index.php
@@ -0,0 +1 @@
+Subdomain: subdomain1.localhost.com
diff --git a/tools/subdomain1/subdomain1.conf b/tools/subdomain1/subdomain1.conf
new file mode 100644
index 00000000..74521792
--- /dev/null
+++ b/tools/subdomain1/subdomain1.conf
@@ -0,0 +1,22 @@
+# This apache configuration file is used testing
+# check_curl tests use this subdomain to see if --noproxy works on subdomains of a domain.
+
+<VirtualHost *:80>
+    ServerName subdomain1.localhost.com
+    DocumentRoot /var/www/subdomain1
+
+    ErrorLog ${APACHE_LOG_DIR}/subdomain1_error.log
+    CustomLog ${APACHE_LOG_DIR}/subdomain1_access.log combined
+</VirtualHost>
+
+<VirtualHost *:443>
+    ServerName subdomain1.localhost.com
+    DocumentRoot /var/www/subdomain1
+
+    SSLEngine on
+    SSLCertificateFile /etc/ssl/certs/ssl-cert-snakeoil.pem
+    SSLCertificateKeyFile /etc/ssl/private/ssl-cert-snakeoil.key
+
+    ErrorLog ${APACHE_LOG_DIR}/subdomain1_ssl_error.log
+    CustomLog ${APACHE_LOG_DIR}/subdomain1_ssl_access.log combined
+</VirtualHost>