nginx: optimize location blocks (part 2) (#19644)

dist/nginx.conf

@@ -67,65 +67,53 @@ server {
   gzip_static on;
 
   location / {
-    try_files $uri @proxy;
+    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
+    try_files $uri @mastodon;
   }
 
   # If Docker is used for deployment and Rails serves static files,
-  # then needed must replace line `try_files $uri =404;` with `try_files $uri @proxy;`.
-  location = /sw.js {
-    add_header Cache-Control "public, max-age=604800, must-revalidate";
-    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
-    try_files $uri =404;
-  }
-
-  location ~ ^/assets/ {
+  # then needed uncomment line with `try_files $uri @mastodon;`.
+  location ^~ /assets/ {
     add_header Cache-Control "public, max-age=2419200, must-revalidate";
     add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
-    try_files $uri =404;
+    # try_files $uri @mastodon;
   }
 
-  location ~ ^/avatars/ {
+  location ^~ /avatars/ {
     add_header Cache-Control "public, max-age=2419200, must-revalidate";
     add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
-    try_files $uri =404;
   }
 
-  location ~ ^/emoji/ {
+  location ^~ /emoji/ {
     add_header Cache-Control "public, max-age=2419200, must-revalidate";
     add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
-    try_files $uri =404;
   }
 
-  location ~ ^/headers/ {
+  location ^~ /headers/ {
     add_header Cache-Control "public, max-age=2419200, must-revalidate";
     add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
-    try_files $uri =404;
   }
 
-  location ~ ^/packs/ {
+  location ^~ /ocr/ {
     add_header Cache-Control "public, max-age=2419200, must-revalidate";
     add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
-    try_files $uri =404;
   }
 
-  location ~ ^/shortcuts/ {
+  location ^~ /packs/ {
     add_header Cache-Control "public, max-age=2419200, must-revalidate";
     add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
-    try_files $uri =404;
   }
 
-  location ~ ^/sounds/ {
+  location ^~ /sounds/ {
     add_header Cache-Control "public, max-age=2419200, must-revalidate";
     add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
-    try_files $uri =404;
   }
 
-  location ~ ^/system/ {
+  location ^~ /system/ {
     add_header Cache-Control "public, max-age=2419200, immutable";
     add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
     add_header X-Content-Type-Options nosniff;
     add_header Content-Security-Policy "default-src 'none'; form-action 'none'";
-    try_files $uri =404;
   }
 
   location ^~ /api/v1/streaming {
@@ -142,12 +130,10 @@ server {
     proxy_set_header Upgrade $http_upgrade;
     proxy_set_header Connection $connection_upgrade;
 
-    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
-
     tcp_nodelay on;
   }
 
-  location @proxy {
+  location @mastodon {
     proxy_set_header Host $host;
     proxy_set_header X-Real-IP $remote_addr;
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;