initial relay scaffold

docker_entrypoint.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+set -eu
+
+DATA_DIR="/data"
+CONFIG_DIR="$DATA_DIR/config"
+
+mkdir -p "$CONFIG_DIR"
+
+# Ensure the volume is writable by the non-root node user
+chown -R 1001:1001 "$DATA_DIR" 2>/dev/null || true
+
+export DATA_DIR="$DATA_DIR"
+export PORT="${PORT:-3002}"
+export HOSTNAME="0.0.0.0"
+
+echo "Starting Recap Relay..."
+echo "  Node: $(node --version)"
+echo "  Data: $DATA_DIR"
+echo "  Port: $PORT"
+
+cd /app/server
+exec node index.js