add Cache-Control to skynet links

docker-compose.yml

@@ -21,7 +21,7 @@ services:
     env_file:
       - .env
     volumes:
-      - ./docker/data/sia:/sia-data
+      - /Users/karol/Library/ApplicationSupport/Sia-UI/sia:/sia-data
     networks:
       - shared
     expose:

docker/nginx/conf.d/client.conf

@@ -176,6 +176,7 @@ server {
 		include /etc/nginx/conf.d/include/cors;
 
 		limit_conn downloads_by_ip 100; # ddos protection: max 100 downloads at a time
+		add_header Cache-Control "public, max-age=31536000, immutable"; # allow consumer to cache response
 
 		# we need to explicitly use set directive here because $1 will contain the skylink with
 		# decoded whitespaces and set will re-encode it for us before passing it to proxy_pass
@@ -196,12 +197,14 @@ server {
 		proxy_cache_min_uses 10;
 		proxy_cache_valid 200 1440m;
 		proxy_cache_bypass $cookie_nocache $arg_nocache; # add cache bypass option
+		add_header X-Proxy-Cache $upstream_cache_status;
 	}
 
 	location ~ "^/file/([a-zA-Z0-9-_]{46}(/.*)?)$" {
 		include /etc/nginx/conf.d/include/cors;
 
 		limit_conn downloads_by_ip 100; # ddos protection: max 100 downloads at a time
+		add_header Cache-Control "public, max-age=31536000, immutable"; # allow consumer to cache response
 
 		# we need to explicitly use set directive here because $1 will contain the skylink with
 		# decoded whitespaces and set will re-encode it for us before passing it to proxy_pass
@@ -223,5 +226,6 @@ server {
 		proxy_cache_min_uses 10;
 		proxy_cache_valid 200 1440m;
 		proxy_cache_bypass $cookie_nocache $arg_nocache; # add cache bypass option
+		add_header X-Proxy-Cache $upstream_cache_status;
 	}
 }