Merge pull request #14 from bento-platform/fix/large-keycloak-headers

fix: increase proxy buffer size/number for auth

conf/nginx.conf.tpl

@@ -118,6 +118,7 @@ http {
         location / {
             # Reverse proxy settings
             include     /gateway/conf/proxy.conf;
+            include     /gateway/conf/proxy_large_headers.conf;
 
             # Immediate set/re-use means we don't get resolve errors if not up (as opposed to passing as a literal)
             set         $upstream_auth http://${BENTOV2_AUTH_CONTAINER_NAME}:${BENTOV2_AUTH_INTERNAL_PORT_PLAIN_HTTP};

conf/proxy.conf

@@ -11,4 +11,8 @@ proxy_set_header        X-Forwarded-Proto   $scheme;
 proxy_set_header        X-Forwarded-Host    $host;
 proxy_set_header        X-Forwarded-For     $proxy_add_x_forwarded_for;
 
+# increase size of response buffers for returning larger responses
+# (small-medium files, large JSON responses, etc.)
+proxy_buffers 64 4k;
+
 proxy_ignore_client_abort   on;

conf/proxy_large_headers.conf

@@ -0,0 +1,5 @@
+# inspired by https://www.getpagespeed.com/server-setup/nginx/tuning-proxy_buffer_size-in-nginx
+# proxy_buffers is set in proxy.conf
+
+proxy_buffer_size 16k;
+proxy_busy_buffers_size 24k;