Split production dependecies & update production configuration

config/nginx/conf.d/local.conf

@@ -9,6 +9,10 @@ server {
     access_log /var/log/nginx/access_log;
     error_log /var/log/nginx/error_log;
 
+    location /static/ {
+        root /app;
+    }
+
     location / {
         proxy_pass http://gunicorn;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;