diff --git a/sim/cluster0/scripts/configure-nginx.sh b/sim/cluster0/scripts/configure-nginx.sh
index ff5a889..4fc2558 100644
--- a/sim/cluster0/scripts/configure-nginx.sh
+++ b/sim/cluster0/scripts/configure-nginx.sh
@@ -5,6 +5,12 @@ ROOT="$(cd "$(dirname "$0")/.." && pwd)"
 . "$ROOT/scripts/lib/common.sh"
 ensure_shared_mounted
 
+# Prefer the git repo nginx template over the shared cluster copy (keeps nginx config up to date
+# with submodule commits). Falls back to the shared copy if git repo unavailable.
+GIT_NGINX="/mnt/repos/ac/ac-deploy/sim/cluster0/nginx/apps-port80.conf"
+if [ -f "$GIT_NGINX" ]; then
+  install -D -m 644 "$GIT_NGINX" "$ROOT/nginx/apps-port80.conf"
+fi
 install -D -m 644 "$ROOT/nginx/apps-port80.conf" /etc/nginx/http.d/androidcast.conf
 rm -f /etc/nginx/http.d/default.conf /etc/nginx/http.d/cluster.conf 2>/dev/null || true
 nginx -t