Precompress assets and set the right cache headers

config/nginx.conf

@@ -3,23 +3,16 @@ server {
     server_name  localhost;
 
     root   /app;
+    gzip_static on;
 
     location / {
-        # disable cache entriely by default (apart from Etag which is accurate enough)
-        add_header Cache-Control 'private no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0';
-        if_modified_since off;
-        expires off;
-        # also turn off last-modified since they are just the timestamps of the file in the docker image
-        # and may or may not bear any resemblance to when the resource changed
-        add_header Last-Modified "";
-
         try_files $uri $uri/ /index.html;
+        add_header Cache-Control "no-store, no-cache, must-revalidate";
     }
 
     # assets can be cached because they have hashed filenames
     location /assets {
-        expires 1w;
-        add_header Cache-Control "public, no-transform";
+        add_header Cache-Control "public, immutable, max-age=31536000";
     }
 
     location /apple-app-site-association {