feat: add Docker support with deployment scripts and database backup functionality

scripts/vps-status.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SSH_USER="${SSH_USER:-syntaxbullet}"
+VPS_HOST="${VPS_HOST:-srv1.bayerischer-mittelstandspreis.de}"
+VPS_PORT="${VPS_PORT:-22}"
+SSH_KEY="${SSH_KEY:-$HOME/.ssh/bmp-vps-deploy}"
+APP_ROOT="${APP_ROOT:-/var/www/bmp-website}"
+LOG_LINES="${LOG_LINES:-80}"
+
+SSH_TARGET="$SSH_USER@$VPS_HOST"
+
+ssh -i "$SSH_KEY" -p "$VPS_PORT" "$SSH_TARGET" "
+  set -e
+  printf '== revision ==\n'
+  cat '$APP_ROOT/current/.deploy-revision' 2>/dev/null || true
+  printf '\n== containers ==\n'
+  sudo docker ps --format 'table {{.Names}}\t{{.Image}}\t{{.Status}}\t{{.Ports}}'
+  printf '\n== old n8n containers ==\n'
+  sudo docker ps -a --filter name=n8n_automation --filter name=caddy_proxy --format 'table {{.Names}}\t{{.Image}}\t{{.Status}}'
+  printf '\n== shared state ==\n'
+  ls -lh '$APP_ROOT/shared/.env' '$APP_ROOT/shared/content.db'
+  find '$APP_ROOT/shared/media' -type f | wc -l
+  du -sh '$APP_ROOT/shared/media'
+  printf '\n== disk ==\n'
+  df -h / /var/lib/docker '$APP_ROOT' 2>/dev/null || df -h
+  printf '\n== app logs ==\n'
+  sudo docker logs --tail='$LOG_LINES' bmp_website
+  printf '\n== caddy logs ==\n'
+  sudo docker logs --tail='$LOG_LINES' bmp_caddy
+"