Serve static files for analysis directly

docker-compose.yml

@@ -17,6 +17,7 @@ services:
       - ./ref-test/app/editor/static:/usr/share/nginx/html/editor/static:ro
       - ./ref-test/app/quiz/static:/usr/share/nginx/html/quiz/static:ro
       - ./ref-test/app/view/static:/usr/share/nginx/html/view/static:ro
+      - ./ref-test/app/analysis/static:/usr/share/nginx/html/analysis/static:ro
     ports:
       - 80:80
       - 443:443

nginx/conf.d/ref-test-app.conf

@@ -45,6 +45,11 @@ server {
         alias /usr/share/nginx/html/view/static/;
     }
 
+    location ^~ /admin/analysis/static/  {
+        include  /etc/nginx/mime.types;
+        alias /usr/share/nginx/html/analysis/static/;
+    }
+
     # Proxy to the main app for all other requests
     location / {
         include /etc/nginx/conf.d/proxy_headers.conf;

ref-test/app/analysis/templates/analysis/analysis.html

@@ -55,7 +55,11 @@
         <div class="input-group mb-3">
             <span class="input-group-text">Standard Deviation</span>
             <span class="form-control">
-                {{ analysis.scores.stdev|round(2) }}
+                {% if analysis.scores.stdev %}
+                    {{ analysis.scores.stdev|round(2) }}
+                {% else %}
+                    {{ None }}
+                {% endif %}
             </span>
         </div>
         <div class="input-group mb-3">