Resolve fixed-name Traefik in E2E smoke

scripts/edge-gateway-e2e.mjs

@@ -124,22 +124,29 @@ async function readComposeServiceHost(rootDir, composeProject, serviceName) {
     allowFailure: true,
   });
   const containerId = String(ps.stdout || "").trim().split(/\s+/).find(Boolean);
-  if (!containerId) {
+  const containerRefs = [
-    return null;
+    ...(containerId ? [containerId] : []),
+    serviceName,
+  ];
+
+  for (const containerRef of [...new Set(containerRefs)]) {
+    const inspection = await runCommand("docker", [
+      "inspect",
+      "-f",
+      "{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}",
+      containerRef,
+    ], {
+      cwd: rootDir,
+      allowFailure: true,
+    });
+    const host = String(inspection.stdout || "").trim().split(/\s+/).find((value) => /^\d{1,3}(?:\.\d{1,3}){3}$/.test(value));
+
+    if (host) {
+      return host;
+    }
   }
 
-  const inspection = await runCommand("docker", [
+  return null;
-    "inspect",
-    "-f",
-    "{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}",
-    containerId,
-  ], {
-    cwd: rootDir,
-    allowFailure: true,
-  });
-  const host = String(inspection.stdout || "").trim().split(/\s+/).find((value) => /^\d{1,3}(?:\.\d{1,3}){3}$/.test(value));
-
-  return host || null;
 }
 
 async function candidateApiBaseUrls(baseUrl, rootDir, composeProject) {