Add annotation to allow custom body sizes

core/pkg/ingress/defaults/main.go

@@ -6,12 +6,17 @@ import "net"
 // The reason of this requirements is the annotations are generic. If some implementation do not supports
 // one or more annotations it just can provides defaults
 type Backend struct {
+
 	// enables which HTTP codes should be passed for processing with the error_page directive
 	// http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_intercept_errors
 	// http://nginx.org/en/docs/http/ngx_http_core_module.html#error_page
 	// By default this is disabled
 	CustomHTTPErrors []int `json:"custom-http-errors,-"`
 
+	// http://nginx.org/en/docs/http/ngx_http_core_module.html#client_max_body_size
+	// Sets the maximum allowed size of the client request body
+	ProxyBodySize string `json:"proxy-body-size"`
+
 	// Defines a timeout for establishing a connection with a proxied server.
 	// It should be noted that this timeout cannot usually exceed 75 seconds.
 	// http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_connect_timeout