@restorecommerce/cluster-service NPM

cluster-service

A service launcher supporting two modes, development and production.

In development mode (default), forever-monitor is used to launch a single instance and keep it alive.

In production mode, recluster is used to launch a node.js cluster of a given service. A PID file is created in os.tmpdir() with the file name ${pidDir}/cluster-serverice-master-${serviceName}.pid. By default, as many workers are stated as CPU cores can be detected. The cluster also listens to SIGUSR2 and SIGTERM signals.

Usage

const cluster = new ClusterServer(options);
cluster.run('./service.js');
done();

Options

logger Winston compatible logger like Restore Logger.
serviceName srv name of the service (used to build PID file ).
mode development the mode name, development or production.
pidDir os.tmpdir() Directory where to store the PID file .
workerCount number of cores The number of workers to launch in production mode.
nodeOptions [] command line options to node for development mode.