feat(deploy): add docker app+mysql stack for coolify

app/docker/entrypoint.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env sh
+set -eu
+
+cd /var/www/html
+
+php artisan config:clear >/dev/null 2>&1 || true
+
+if [ "${DB_CONNECTION:-}" = "mysql" ] && [ "${WAIT_FOR_DB:-true}" = "true" ]; then
+  echo "Waiting for MySQL at ${DB_HOST:-mysql}:${DB_PORT:-3306}..."
+  i=0
+  while [ "$i" -lt 60 ]; do
+    if php -r 'try { new PDO("mysql:host=".getenv("DB_HOST").";port=".getenv("DB_PORT").";dbname=".getenv("DB_DATABASE"), getenv("DB_USERNAME"), getenv("DB_PASSWORD"), [PDO::ATTR_TIMEOUT => 3]); exit(0);} catch (Throwable $e) { exit(1);}'; then
+      echo "MySQL is reachable."
+      break
+    fi
+    i=$((i + 1))
+    sleep 2
+  done
+fi
+
+if [ "${RUN_MIGRATIONS:-true}" = "true" ]; then
+  php artisan migrate --force
+fi
+
+php artisan storage:link >/dev/null 2>&1 || true
+
+exec "$@"