feat: Enable metrics by default

Signed-off-by: Julien Riou <julien@riou.xyz>

src/cmd/collerd/README.md

@@ -27,7 +27,7 @@ The file format is **JSON**:
 * **expiration** (int): Default expiration time in seconds
 * **max_upload_size** (int): Maximum number of bytes received by the server for notes (the base64 encoding may use more space than the real size of the note)
 * **show_version** (bool): Show version on the website
-* **enable_metrics** (bool): Enable Prometheus endpoint (default false)
+* **enable_metrics** (bool): Enable Prometheus endpoint (default true)
 * **prometheus_route** (string): Route to expose Prometheus metrics (default "/metrics")
 * **prometheus_notes_metric** (string): Name of the notes count metric (default "collerd_notes")
 * **observation_internal** (int): Number of seconds to wait between two observations (default 60)

src/server/config.go

@@ -47,7 +47,7 @@ func NewConfig() *Config {
 		Expiration:            604800,   // 7 days
 		MaxUploadSize:         10485760, // 10MiB (encoded)
 		ShowVersion:           false,
-		EnableMetrics:         false,
+		EnableMetrics:         true,
 		PrometheusRoute:       "/metrics",
 		PrometheusNotesMetric: "collerd_notes",
 		ObservationInterval:   60,