{
  "grpc_port": 9010,
  "data_directory": "${DATA_DIR:./data/database}",
  "persistence": {
    "wal_sync_interval_ms": 100,
    "snapshot_interval_sec": 300,
    "wal_size_trigger_mb": 10
  },
  "versioning": {
    "enabled": false,
    "default_config": {
      "max_versions": 50,
      "version_ttl_ms": 2592000000
    },
    "collection_overrides": {
      "workflows": {
        "enabled": true,
        "max_versions": 100,
        "version_ttl_ms": 7776000000,
        "keep_on_delete": true
      },
      "executions": {
        "enabled": false
      }
    }
  },
  "logging": {
    "level": "${LOG_LEVEL:info}",
    "file": "${LOG_FILE:}"
  }
}