message: Avoid runtime error when not using vault
diff: @@ -38,6 +38,7 @@ export default class BCGatewayConfig {
  instanceId: uuid4(),
  }),
  );
  + if (process.env.VAULT_ENDPOINT) {
  this.pluginRegistry.add(
  new PluginKeychainVault({
  endpoint: process.env.VAULT_ENDPOINT,
  @@ -49,6 +50,7 @@ export default class BCGatewayConfig {
  }),
  );
  }
  + }
  fabricConnector(): IFabricOrgConnector {
  const fnTag = `${this.className}.fabricConnector()`;
  const opts: IPluginLedgerConnectorFabricOptions = {
  