diff --git a/.github/workflows/dockerimage.yml b/.github/workflows/dockerimage.yml
index 620e43e9..c397cce8 100644
--- a/.github/workflows/dockerimage.yml
+++ b/.github/workflows/dockerimage.yml
@@ -63,6 +63,13 @@ jobs:
         grep --fixed-strings '<p>It works!</p>' /tmp/out
 
 
+        curl -v --compressed localhost:8888/FooBar 2>&1 | tee /tmp/out
+
+        grep --fixed-strings 'HTTP/1.1 301 Moved Permanently' /tmp/out
+        grep --fixed-strings '< x-rewrite: 1' /tmp/out
+        grep --fixed-strings '< Location: http://localhost/foobar' /tmp/out
+
+
         curl -v --compressed https://localhost:8889 2>&1 | tee /tmp/h2
 
         grep --fixed-strings '< HTTP/2 200' /tmp/h2
diff --git a/nginx.conf b/nginx.conf
index ab2347c9..31130637 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -1,10 +1,17 @@
+# this allows you to call directives such as "env" in your own conf files
+# http://nginx.org/en/docs/ngx_core_module.html#env
+#
+# and load dynamic modules via load_module
+# http://nginx.org/en/docs/ngx_core_module.html#load_module
+include /etc/nginx/main.d/*.conf;
+
+
 user  nginx;
 worker_processes  1;
 
 error_log  /var/log/nginx/error.log warn;
 pid        /var/run/nginx.pid;
 
-
 events {
     worker_connections  1024;
 }
@@ -34,6 +41,3 @@ http {
     include /etc/nginx/conf.d/*.conf;
 }
 
-# this allows you to call directives such as "env" in your own conf files
-# http://nginx.org/en/docs/ngx_core_module.html#env
-include /etc/nginx/main.d/*.conf;
diff --git a/run-docker.sh b/run-docker.sh
index c2d08dc3..a494f7aa 100755
--- a/run-docker.sh
+++ b/run-docker.sh
@@ -4,6 +4,8 @@ docker run --rm \
   -p 0.0.0.0:8889:443/tcp \
   -p 0.0.0.0:8889:443/udp \
   -v "$PWD/tests":/static:ro \
+  -v "$PWD/tests/modules.conf":/etc/nginx/main.d/modules.conf:ro \
+  -v "$PWD/tests/perl_rewrite.conf":/etc/nginx/conf.d/perl_rewrite.conf:ro \
   -v "$PWD/tests/static.conf":/etc/nginx/conf.d/static.conf:ro \
   -v "$PWD/tests/https.conf":/etc/nginx/conf.d/https.conf:ro \
   -v "$PWD/tests/localhost.crt":/etc/nginx/ssl/localhost.crt:ro \
diff --git a/tests/modules.conf b/tests/modules.conf
new file mode 100644
index 00000000..79ab57ec
--- /dev/null
+++ b/tests/modules.conf
@@ -0,0 +1,2 @@
+load_module modules/ngx_http_geoip_module.so;
+load_module modules/ngx_http_perl_module.so;
diff --git a/tests/perl_rewrite.conf b/tests/perl_rewrite.conf
new file mode 100644
index 00000000..7bf4e7dd
--- /dev/null
+++ b/tests/perl_rewrite.conf
@@ -0,0 +1,7 @@
+# https://www.rewriteguide.com/nginx-enforce-lower-case-urls/
+perl_set $uri_lowercase 'sub {
+	my $r = shift;
+	my $uri = $r->uri;
+	$uri = lc($uri);
+	return $uri;
+}';
diff --git a/tests/static.conf b/tests/static.conf
index d38b590e..3812d57d 100644
--- a/tests/static.conf
+++ b/tests/static.conf
@@ -10,4 +10,9 @@ server {
 
         expires 1d;
     }
+
+    location ~ [A-Z] {
+        add_header x-rewrite 1;
+        rewrite ^(.*)$ $scheme://$host$uri_lowercase permanent;
+    }
 }