update docs

docs/config.md

@@ -58,6 +58,7 @@ Optionally, the number of threads to create and [worker scripts](worker.md) to s
 			num <num> # Sets the number of PHP threads to start, defaults to 2x the number of available CPUs.
 			env <key> <value> # Sets an extra environment variable to the given value. Can be specified more than once for multiple environment variables.
 			watch <path> # Sets the path to watch for file changes. Can be specified more than once for multiple paths.
+			name <name> # Sets the name of the worker, used in logs and metrics. Default: absolute path of worker file
 		}
 	}
 }

docs/metrics.md

@@ -2,14 +2,16 @@
 
 When [Caddy metrics](https://caddyserver.com/docs/metrics) are enabled, FrankenPHP exposes the following metrics:
 
-* `frankenphp_[worker]_total_workers`: The total number of workers.
-* `frankenphp_[worker]_busy_workers`: The number of workers currently processing a request.
-* `frankenphp_[worker]_worker_request_time`: The time spent processing requests by all workers.
-* `frankenphp_[worker]_worker_request_count`: The number of requests processed by all workers.
-* `frankenphp_[worker]_ready_workers`: The number of workers that have called `frankenphp_handle_request` at least once.
-* `frankenphp_[worker]_worker_crashes`: The number of times a worker has unexpectedly terminated.
-* `frankenphp_[worker]_worker_restarts`: The number of times a worker has been deliberately restarted.
 * `frankenphp_total_threads`: The total number of PHP threads.
 * `frankenphp_busy_threads`: The number of PHP threads currently processing a request (running workers always consume a thread).
+* `frankenphp_queue_depth`: The number of regular queued requests
+* `frankenphp_total_workers{worker="[worker_name]"}`: The total number of workers.
+* `frankenphp_busy_workers{worker="[worker_name]"}`: The number of workers currently processing a request.
+* `frankenphp_worker_request_time{worker="[worker_name]"}`: The time spent processing requests by all workers.
+* `frankenphp_worker_request_count{worker="[worker_name]"}`: The number of requests processed by all workers.
+* `frankenphp_ready_workers{worker="[worker_name]"}`: The number of workers that have called `frankenphp_handle_request` at least once.
+* `frankenphp_worker_crashes{worker="[worker_name]"}`: The number of times a worker has unexpectedly terminated.
+* `frankenphp_worker_restarts{worker="[worker_name]"}`: The number of times a worker has been deliberately restarted.
+* `frankenphp_worker_queue_depth{worker="[worker_name]"}`: The number of queued requests.
 
-For worker metrics, the `[worker]` placeholder is replaced by the worker script path in the Caddyfile.
+For worker metrics, the `[worker_name]` placeholder is replaced by the worker name in the Caddyfile.