Add debug flag; warning label for debug mode

config/config-base.json

@@ -147,7 +147,8 @@
             "required": false,
             "requires_restart": true,
             "type": "bool",
-            "value": false
+            "value": false,
+            "description": "Enables debug logging and exposes pprof as a route (Don't use in production!)"
         },
         "contact_message": {
             "name": "Contact message",

data/config-base.json

@@ -184,7 +184,8 @@
             "required": false,
             "requires_restart": true,
             "type": "bool",
-            "value": false
+            "value": false,
+            "description": "Enables debug logging and exposes pprof as a route (Don't use in production!)"
         },
         "contact_message": {
             "name": "Contact message",

main.go

@@ -108,6 +108,7 @@ func main() {
 	configPath := flag.String("config", app.config_path, "alternate path to config file.")
 	host := flag.String("host", "", "alternate address to host web ui on.")
 	port := flag.Int("port", 0, "alternate port to host web ui on.")
+	debug := flag.Bool("debug", false, "Enables debug logging and exposes pprof.")
 
 	flag.Parse()
 	if app.config_path == *configPath && app.data_path != *dataPath {
@@ -164,8 +165,12 @@ func main() {
 	}
 	app.version = app.config.Section("jellyfin").Key("version").String()
 
-	debugMode = app.config.Section("ui").Key("debug").MustBool(true)
+	debugMode = app.config.Section("ui").Key("debug").MustBool(false)
+	if *debug {
+		debugMode = true
+	}
 	if debugMode {
+		app.info.Println("WARNING: Don't use debug mode in production, as it exposes pprof on the network.")
 		app.debug = log.New(os.Stdout, "[DEBUG] ", log.Ltime|log.Lshortfile)
 	} else {
 		app.debug = log.New(ioutil.Discard, "", 0)