Jambase aufgeräumt und Backup script

scripts/backup-db.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_DIR="$(cd "${SCRIPT_DIR}/.." && pwd)"
+BACKUP_DIR="${BACKUP_DIR:-${PROJECT_DIR}/backups}"
+
+if [[ ! -f "${PROJECT_DIR}/.env" ]]; then
+  echo ".env wurde in ${PROJECT_DIR} nicht gefunden." >&2
+  exit 1
+fi
+
+read_env_value() {
+  local key="$1"
+  local line
+
+  line="$(grep -E "^${key}=" "${PROJECT_DIR}/.env" | tail -n 1 || true)"
+  if [[ -z "${line}" ]]; then
+    echo "Wert ${key} wurde in ${PROJECT_DIR}/.env nicht gefunden." >&2
+    exit 1
+  fi
+
+  printf '%s' "${line#*=}"
+}
+
+DB_NAME="$(read_env_value DB_NAME)"
+DB_USER="$(read_env_value DB_USER)"
+DB_PASSWORD="$(read_env_value DB_PASSWORD)"
+TIMESTAMP="$(date +%Y%m%d-%H%M%S)"
+BACKUP_FILE="${BACKUP_DIR}/eventlens-${DB_NAME}-${TIMESTAMP}.sql.gz"
+
+mkdir -p "${BACKUP_DIR}"
+
+docker compose -f "${PROJECT_DIR}/docker-compose.yml" exec -T db \
+  mariadb-dump \
+    --single-transaction \
+    --quick \
+    --routines \
+    --triggers \
+    -u"${DB_USER}" \
+    "-p${DB_PASSWORD}" \
+    "${DB_NAME}" \
+  | gzip -c > "${BACKUP_FILE}"
+
+echo "Backup erstellt: ${BACKUP_FILE}"