Replace strings.Index usages with strings.Cut (#4930)

1 files changed, 3 insertions, 3 deletions

diff --git a/modules/caddyhttp/reverseproxy/addresses.go b/modules/caddyhttp/reverseproxy/addresses.go
index f15ed76..c161ed8 100644
--- a/modules/caddyhttp/reverseproxy/addresses.go
+++ b/modules/caddyhttp/reverseproxy/addresses.go
@@ -80,9 +80,9 @@ func parseUpstreamDialAddress(upstreamAddr string) (string, string, error) {
 		scheme, host, port = toURL.Scheme, toURL.Hostname(), toURL.Port()
 	} else {
 		// extract network manually, since caddy.ParseNetworkAddress() will always add one
-		if idx := strings.Index(upstreamAddr, "/"); idx >= 0 {
-			network = strings.ToLower(strings.TrimSpace(upstreamAddr[:idx]))
-			upstreamAddr = upstreamAddr[idx+1:]
+		if beforeSlash, afterSlash, slashFound := strings.Cut(upstreamAddr, "/"); slashFound {
+			network = strings.ToLower(strings.TrimSpace(beforeSlash))
+			upstreamAddr = afterSlash
 		}
 		var err error
 		host, port, err = net.SplitHostPort(upstreamAddr)