From 391d0aea5d76b965487ff0cec562bb9d2297852e Mon Sep 17 00:00:00 2001
From: stroblme <stroblme@posteo.de>
Date: Sun, 16 Aug 2026 16:59:47 +0200
Subject: [PATCH] Let the capture script take a host-resolver mapping

---
 frontend/scripts/capture-screenshots.mjs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/frontend/scripts/capture-screenshots.mjs b/frontend/scripts/capture-screenshots.mjs
index 774781a..db83f88 100644
--- a/frontend/scripts/capture-screenshots.mjs
+++ b/frontend/scripts/capture-screenshots.mjs
@@ -37,7 +37,13 @@ async function withTheme(browser, theme) {
   return context
 }
 
-const browser = await chromium.launch()
+// Chromium pins *.localhost to loopback (RFC 6761), so /etc/hosts cannot point
+// it at Traefik. The containerised run (root `make verify-docker`) passes the
+// mapping through here instead; empty on a host run.
+const RESOLVER = process.env.HOST_RESOLVER_RULES
+const browser = await chromium.launch(
+  RESOLVER ? { args: [`--host-resolver-rules=${RESOLVER}`] } : {},
+)
 
 for (const theme of ["light", "dark"]) {
   const dir = `${OUT}/${theme}`