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

scripts/vps-rollback-n8n.sh

@@ -0,0 +1,26 @@
+#!/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}"
+CONFIRM="${CONFIRM:-}"
+
+if [[ "$CONFIRM" != "replace-bmp-with-n8n" ]]; then
+  echo "This stops the BMP website and starts the old n8n compose project." >&2
+  echo "Run with CONFIRM=replace-bmp-with-n8n when you intentionally want that rollback." >&2
+  exit 1
+fi
+
+SSH_TARGET="$SSH_USER@$VPS_HOST"
+BMP_COMPOSE="$APP_ROOT/current/deploy/vps/docker-compose.yml"
+N8N_COMPOSE="/root/n8n-docker/docker-compose.yml"
+
+ssh -i "$SSH_KEY" -p "$VPS_PORT" "$SSH_TARGET" "
+  set -e
+  sudo docker compose -f '$BMP_COMPOSE' stop caddy app
+  sudo docker compose -f '$N8N_COMPOSE' start
+  sudo docker ps --format 'table {{.Names}}\t{{.Image}}\t{{.Status}}\t{{.Ports}}'
+"