From 2ca49a3891cc3a2e37138156b17b660b6a3cb7ea Mon Sep 17 00:00:00 2001
From: metapi-bot <metapi-bot@local>
Date: Mon, 16 Mar 2026 08:31:49 +0000
Subject: [PATCH] feat(server): default listen host to IPv6 any-address

---
 src/server/config.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/server/config.ts b/src/server/config.ts
index 4914a8e..e9884d4 100644
--- a/src/server/config.ts
+++ b/src/server/config.ts
@@ -32,7 +32,11 @@ function parseDbType(value: string | undefined): 'sqlite' | 'mysql' | 'postgres'
 }
 
 function parseListenHost(env: NodeJS.ProcessEnv): string {
-  return (env.HOST || '0.0.0.0').trim() || '0.0.0.0';
+  const host = (env.HOST || '').trim();
+  if (host) return host;
+  // Default to IPv6 any-address so the service is reachable via IPv6 public network.
+  // On most Linux systems this also accepts IPv4-mapped connections.
+  return '::';
 }
 
 export function buildConfig(env: NodeJS.ProcessEnv) {