properly run docker entrypoint script

It needed an argument

nginx/scripts/start-nginx

@@ -1,10 +1,9 @@
 #!/usr/bin/env bash
 set -e
 
-# Ensure the Docker scripts gets executed. This includes calling `envsubst`
-# on the nginx conf template
-bash /docker-entrypoint.sh
-
 install-self-signed-cert
 echo "Starting Nginx..."
-nginx -g 'daemon off;'
+
+# Ensure the Docker entrypoint scripts get executed. This includes
+# calling `envsubst` on the nginx conf template
+bash /docker-entrypoint.sh nginx -g 'daemon off;'