From ff70278be4925d4889d5451c20ce397dccfe97c5 Mon Sep 17 00:00:00 2001
From: Andreas Knuth <andreas.knuth@gmail.com>
Date: Thu, 20 Aug 2026 21:45:48 +0200
Subject: [PATCH] HOSTNAME: "0.0.0.0"

---
 docker-compose.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docker-compose.yml b/docker-compose.yml
index e5256f8..b38cd00 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -52,6 +52,10 @@ services:
     restart: unless-stopped
     environment:
       NODE_ENV: production
+      # Docker sets HOSTNAME=<container-id>, and the Next.js standalone server binds to
+      # exactly that one interface - localhost (healthcheck) and the container's other
+      # network addresses then answer with ECONNREFUSED.
+      HOSTNAME: "0.0.0.0"
       DATABASE_URL: postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}?schema=public
       DIRECT_URL: postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}?schema=public
       REDIS_URL: redis://redis:6379