Merge pull request 'Improve SPA cacheing' (!81) from nginx-cacheing into main

Reviewed-on: #81

etc/nginx/conf.d/default.conf

@@ -9,10 +9,24 @@ server {
 
     #access_log  /var/log/nginx/host.access.log  main;
 
+    root   /usr/share/nginx/html;
+
+    # routes without dots serve the index.html without caching
     location / {
-        root   /usr/share/nginx/html;
-        index  index.html index.htm;
-        try_files $uri $uri/ /index.html;
+        add_header Cache-Control "no-cache";
+        try_files $uri $uri/index.html /index.html;
+    }
+  
+    # static js and css files that get replaced instead of updated
+    location ~ \.(js|css) {
+        add_header Cache-Control "public, max-age=31536000, immutable";
+        try_files $uri =404;
+    }
+  
+    # cache other static files for 30 days
+    location ~ \.(?!html) {
+        add_header Cache-Control "public, max-age=2592000";
+        try_files $uri =404;
     }
 
     #error_page  404              /404.html;