diff --git a/confs/site/error.conf b/confs/site/error.conf
index 4856ff2..36ed521 100644
--- a/confs/site/error.conf
+++ b/confs/site/error.conf
@@ -18,7 +18,7 @@ location = {{ page }} {
 error_page {{ default_error }} /errors/{{ default_error }}.html;
 
 location = /errors/{{ default_error }}.html {
-    root /defaults;
+    root /opt/bunkerized-nginx/defaults;
     modsecurity off;
     internal;
 }
diff --git a/examples/basic-website-with-php/README.md b/examples/basic-website-with-php/README.md
new file mode 100644
index 0000000..3c0f923
--- /dev/null
+++ b/examples/basic-website-with-php/README.md
@@ -0,0 +1,24 @@
+# Basic website with PHP
+
+This is a basic example for a typical PHP website/app.
+
+## Docker
+
+```shell
+$ mkdir letsencrypt
+$ chown root:101 letsencrypt
+$ chmod 770 letsencrypt
+$ chmod 755 web-files
+$ chmod -R 744 web-files/*
+$ docker-compose up
+```
+
+## Linux
+
+```shell
+$ cp variables.env /opt/bunkerized-nginx/variables.env
+$ cp web-files/* /opt/bunkerized-nginx/www
+$ chown -R www-data:www-data /opt/bunkerized-nginx/www/*
+$ chmod -R 774 /opt/bunkerized-nginx/www/*
+$ bunkerized-nginx
+```
diff --git a/examples/basic-website-with-php/variables.env b/examples/basic-website-with-php/variables.env
new file mode 100644
index 0000000..66a955d
--- /dev/null
+++ b/examples/basic-website-with-php/variables.env
@@ -0,0 +1,10 @@
+HTTP_PORT=80
+HTTPS_PORT=443
+SERVER_NAME=www.website.com
+AUTO_LETS_ENCRYPT=yes
+REDIRECT_HTTP_TO_HTTPS=yes
+DISABLE_DEFAULT_SERVER=yes
+USE_CLIENT_CACHE=yes
+USE_GZIP=yes
+REMOTE_PHP=myphp
+REMOTE_PHP_PATH=/app
diff --git a/gen/utils.py b/gen/utils.py
index 745b69c..c78d85d 100644
--- a/gen/utils.py
+++ b/gen/utils.py
@@ -3,6 +3,8 @@ def load_variables(path) :
 	with open(path) as f :
 		lines = f.read().splitlines()
 	for line in lines :
+		if line.startswith("#") :
+			continue
 		var = line.split("=")[0]
 		value = line[len(var)+1:]
 		variables[var] = value
diff --git a/helpers/install.sh b/helpers/install.sh
index c9ab46d..2b4fcd6 100644
--- a/helpers/install.sh
+++ b/helpers/install.sh
@@ -90,7 +90,9 @@ elif [ "$OS" = "centos" ] ; then
 	CENTOS_DEPS="git crontabs curl python3 python3-pip procps"
 	do_and_check_cmd yum install -y $CENTOS_DEPS
 fi
-do_and_check_cmd pip3 install jinja2
+do_and_check_cmd pip3 install --upgrade pip
+do_and_check_cmd pip3 install jinja2 certbot
+do_and_check_cmd pip3 install cryptography --upgrade
 
 # Clone the repo
 echo "[*] Clone bunkerity/bunkerized-nginx"
@@ -231,6 +233,24 @@ do_and_check_cmd chmod 770 /var/log/access.log
 do_and_check_cmd chmod 770 /var/log/error.log
 do_and_check_cmd chmod -R 770 /var/log/nginx
 
+# Prepare Let's Encrypt files and folders
+echo "[*] Prepare Let's Encrypt files and folders"
+if [ ! -e "/var/log/letsencrypt" ] ; then
+	do_and_check_cmd mkdir /var/log/letsencrypt
+fi
+do_and_check_cmd chown root:nginx /var/log/letsencrypt
+do_and_check_cmd chmod 770 /var/log/letsencrypt
+if [ ! -e "/etc/letsencrypt" ] ; then
+	do_and_check_cmd mkdir /etc/letsencrypt
+fi
+do_and_check_cmd chown root:nginx /etc/letsencrypt
+do_and_check_cmd chmod 770 /etc/letsencrypt
+if [ ! -e "/var/lib/letsencrypt" ] ; then
+	do_and_check_cmd mkdir /var/lib/letsencrypt
+fi
+do_and_check_cmd chown root:nginx /var/lib/letsencrypt
+do_and_check_cmd chmod 770 /var/lib/letsencrypt
+
 # Install cron
 echo "[*] Add jobs to crontab"
 if [ "$OS" = "debian" ] || [ "$OS" = "ubuntu" ] ; then