Initial commit: complete WebsiteBox project

Docker-based self-hosted WordPress deployment system with:
- Four-container stack (nginx, wordpress/php-fpm, mariadb, certbot)
- Automatic SSL via Let's Encrypt with self-signed fallback
- First-boot WordPress setup via WP-CLI (GeneratePress + child theme, plugins)
- Interactive setup wizard and one-line install script
- Backup, update, healthcheck, and SSL renewal scripts

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

scripts/backup.sh

@@ -0,0 +1,69 @@
+#!/bin/bash
+set -eo pipefail
+
+# WebsiteBox Manual Backup Script
+# Usage: ./scripts/backup.sh [--prune-only]
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
+BACKUP_DIR="${PROJECT_DIR}/websitebox-data/backups"
+
+# Load .env
+if [ -f "${PROJECT_DIR}/.env" ]; then
+    # shellcheck disable=SC1091
+    source "${PROJECT_DIR}/.env"
+fi
+
+RETENTION_DAYS="${BACKUP_RETENTION_DAYS:-30}"
+
+prune_old_backups() {
+    echo "Pruning backups older than ${RETENTION_DAYS} days..."
+    if [ -d "${BACKUP_DIR}" ]; then
+        find "${BACKUP_DIR}" -type f -mtime "+${RETENTION_DAYS}" -delete 2>/dev/null || true
+        echo "Pruning complete."
+    else
+        echo "Backup directory does not exist: ${BACKUP_DIR}"
+    fi
+}
+
+if [ "$1" = "--prune-only" ]; then
+    prune_old_backups
+    exit 0
+fi
+
+echo "═══════════════════════════════════════════════════════════"
+echo " WebsiteBox Manual Backup"
+echo "═══════════════════════════════════════════════════════════"
+
+# Check that containers are running
+if ! docker compose -f "${PROJECT_DIR}/docker-compose.yml" ps --status running | grep -q websitebox-wordpress; then
+    echo "ERROR: WordPress container is not running."
+    echo "Start it with: docker compose up -d"
+    exit 1
+fi
+
+# Create database dump
+TIMESTAMP=$(date +%Y%m%d_%H%M%S)
+echo "Creating database backup..."
+docker compose -f "${PROJECT_DIR}/docker-compose.yml" exec -T db \
+    mariadb-dump -u"${DB_USER:-websitebox}" -p"${DB_PASSWORD}" "${DB_NAME:-websitebox}" \
+    > "${BACKUP_DIR}/db_${TIMESTAMP}.sql"
+
+echo "Database backup saved: websitebox-data/backups/db_${TIMESTAMP}.sql"
+
+# Create files backup
+echo "Creating files backup..."
+tar czf "${BACKUP_DIR}/files_${TIMESTAMP}.tar.gz" \
+    -C "${PROJECT_DIR}/websitebox-data" \
+    --exclude='backups' \
+    --exclude='database' \
+    wordpress/ certs/
+
+echo "Files backup saved: websitebox-data/backups/files_${TIMESTAMP}.tar.gz"
+
+# Prune old backups
+prune_old_backups
+
+echo ""
+echo "Backup complete!"
+echo "Files stored in: websitebox-data/backups/"