Docs: Clarify BusyBuffersSize annotation handling

pando85 · pando85 · commit ea7fa2612ff1 · 2025-07-16T09:01:21.000+02:00
diff --git a/internal/ingress/annotations/proxy/main.go b/internal/ingress/annotations/proxy/main.go
@@ -301,7 +301,8 @@ func (a proxy) Parse(ing *networking.Ingress) (interface{}, error) {
 		config.BufferSize = defBackend.ProxyBufferSize
 	}
 
-	// Only set BusyBuffersSize if annotation is present
+	// Only set BusyBuffersSize if annotation is present, blank is NGINX default
+	// https://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_busy_buffers_size
 	config.BusyBuffersSize, err = parser.GetStringAnnotation(proxyBusyBuffersSizeAnnotation, ing, a.annotationConfig.Annotations)
 	if err != nil {
 		config.BusyBuffersSize = ""

Original file line number	Diff line number	Diff line change
`@@ -301,7 +301,8 @@ func (a proxy) Parse(ing *networking.Ingress) (interface{}, error) {`
`301`	`301`	`config.BufferSize = defBackend.ProxyBufferSize`
`302`	`302`	`}`
`303`	`303`
`304`		`- // Only set BusyBuffersSize if annotation is present`
	`304`	`+ // Only set BusyBuffersSize if annotation is present, blank is NGINX default`
	`305`	`+ // https://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_busy_buffers_size`
`305`	`306`	`config.BusyBuffersSize, err = parser.GetStringAnnotation(proxyBusyBuffersSizeAnnotation, ing, a.annotationConfig.Annotations)`
`306`	`307`	`if err != nil {`
`307`	`308`	`config.BusyBuffersSize = ""`