diff --git a/docker-compose.test.yml b/docker-compose.test.yml
index 1c02db2..d3c7978 100644
--- a/docker-compose.test.yml
+++ b/docker-compose.test.yml
@@ -38,6 +38,8 @@ services:
     # April 2026 and the schema has moved on through manual SQL since, so running them
     # against a fresh database would build a stale schema the app cannot work with.
     # Bring the schema in with `pg_dump --schema-only` from production instead.
+    environment:
+      HOSTNAME: "0.0.0.0"    
     entrypoint: ["node", "server.js"]
     build:
       args: