feat: add deploy.sh for robust container deployment

deploy.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+# Forcefully free port 3002 and redeploy the CMS
+PORT=3002
+
+echo "--- Preparing for deployment ---"
+
+# Check if fuser is installed, if not, warn the user
+if ! command -v fuser &> /dev/null; then
+    echo "Error: 'fuser' command not found. Please install psmisc (e.g., sudo apt install psmisc)."
+    exit 1
+fi
+
+echo "Forcefully freeing port $PORT..."
+# -k kills processes, -n tcp specifies tcp socket
+fuser -k $PORT/tcp || echo "No process found on port $PORT or already free."
+
+echo "Stopping containers..."
+docker compose down
+
+echo "Starting deployment..."
+docker compose up -d --build
+
+echo "--- Deployment initiated ---"