There are now separate web and queue workers.

The configuration entry `clusterLimit` has been replaced by
`clusterLimits` which allows separate configuration of web and
queue workers.

Changelog: Changed

@@ -147,0 +143,4 @@
+	const modes = ['web', 'queue'];
+	const total = modes.reduce((acc, mode) => acc + clusterLimits[mode], 0);
+	if (total > os.cpus().length) {
+		bootLogger.error(`configuration error: cluster limits total (${total}) must not exceed number of cores (${os.cpus().length})`);

@@ -147,0 +149,4 @@
+
+	const workers = new Array(total);
+	workers.fill('web', 0, clusterLimits.web);
+	workers.fill('queue', clusterLimits.web);