feat: add server-side update.sh script for in-place deploys

infra/deploy/update.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+# Run directly on the server from /opt/ai-cost-tracker/
+# Usage: ./infra/deploy/update.sh [--no-cache]
+# Updates to latest code and restarts all containers
+
+set -euo pipefail
+
+COMPOSE="docker compose -f infra/docker-compose.yml"
+NO_CACHE=${1:-}
+
+echo "==> Pulling latest code..."
+git pull origin main
+
+echo "==> Building containers${NO_CACHE:+ (no-cache)}..."
+$COMPOSE build ${NO_CACHE:+--no-cache}
+
+echo "==> Restarting services..."
+$COMPOSE up -d
+
+echo "==> Status:"
+$COMPOSE ps
+
+echo ""
+echo "Done! App: https://optical-dev.oliver.solutions/cost-tracker/"
+echo "API:  https://optical-dev.oliver.solutions/cost-tracker/v1/health"