Working css purge & minify

deployment/gencss.sh

 #!/bin/bash
-purifycss css/bootstrap.css css/fonts.googleapis.com.css views/*.erb -o public/css/combined.css -i -m
+purgecss --css css/*.css --content views/*.erb --out css/purged/
+cat css/purged/*.css > css/combined/combined.css
+cleancss -o public/css/combined.min.css css/combined/combined.css

views/index.erb

@@ -7,7 +7,7 @@
     <meta name="Description" content="Sign-up form for Insomnia 24/7's linux shell service.">
     <meta name="theme-color" content="#2b3e50">
 
-    <link rel="stylesheet" href="./css/combined.css">
+    <link rel="stylesheet" href="./css/combined.min.css">
     <style>.progress{margin: 0;}</style>
 
     <title><%= settings.title %></title>