From af484f95d176630db24a393ae9b08d182c25d8f0 Mon Sep 17 00:00:00 2001
From: peanutduck <peanutduck@yahoo.com>
Date: Wed, 12 Jun 2024 10:32:12 +0800
Subject: [PATCH] Allow 0 as weights

Change positive to non-negative
---
 modules/caddyhttp/reverseproxy/selectionpolicies.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/caddyhttp/reverseproxy/selectionpolicies.go b/modules/caddyhttp/reverseproxy/selectionpolicies.go
index e61b3e0f4f5..f75de747b45 100644
--- a/modules/caddyhttp/reverseproxy/selectionpolicies.go
+++ b/modules/caddyhttp/reverseproxy/selectionpolicies.go
@@ -110,8 +110,8 @@ func (r *WeightedRoundRobinSelection) UnmarshalCaddyfile(d *caddyfile.Dispenser)
 		if err != nil {
 			return d.Errf("invalid weight value '%s': %v", weight, err)
 		}
-		if weightInt < 1 {
-			return d.Errf("invalid weight value '%s': weight should be non-zero and positive", weight)
+		if weightInt < 0 {
+			return d.Errf("invalid weight value '%s': weight should be non-negative", weight)
 		}
 		r.Weights = append(r.Weights, weightInt)
 	}