add a short-lived cache for all requests in case of network problems in connection to AWS

Author: Mostowiec Dominik

files/nginx.conf

@@ -36,13 +36,19 @@ http {
     chunked_transfer_encoding on;
 
     # increases timeouts to avoid HTTP 504
-    proxy_connect_timeout  300s;
+    proxy_connect_timeout  3s;
     proxy_read_timeout     300s;
     proxy_send_timeout     300s;
     send_timeout           300s;
 
     # disable proxy request buffering
     proxy_request_buffering off;
+    proxy_cache            cache;
+    proxy_cache_key        $scheme$uri$args$request_method;
+    proxy_cache_valid      200  1s;
+    proxy_cache_use_stale  error timeout invalid_header updating
+                           http_500 http_502 http_503 http_504;
+    proxy_cache_lock       on;
 
     add_header "Access-Control-Allow-Origin" "*";
 
@@ -88,7 +94,7 @@ http {
       set                    $saved_redirect_location '$upstream_http_location';
       proxy_pass             $saved_redirect_location;
       proxy_cache            cache;
-      proxy_cache_key        $scheme$proxy_host$uri$request_method;
+      proxy_cache_key        $scheme$uri$args$request_method;
       proxy_cache_valid      200  1y;
       proxy_cache_use_stale  error timeout invalid_header updating
                              http_500 http_502 http_503 http_504;