Streamlined the entrypoint script.

scripts/bin/update-apt-cache

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+# Update apt package cache with network check
+# Can be called independently or during container initialization
+
+set -e
+
+# Gracefully update package lists if network is available
+echo "Checking network connectivity..."
+if ping -c 1 -W 5 8.8.8.8 >/dev/null 2>&1 || ping -c 1 -W 5 1.1.1.1 >/dev/null 2>&1; then
+    echo "Network detected, refreshing package lists..."
+    if sudo apt update; then
+        echo "Package lists updated successfully"
+    else
+        echo "Warning: apt update failed despite network connectivity"
+        echo "Falling back to cached package lists"
+    fi
+else
+    echo "No network connectivity detected, using cached package lists"
+fi