some refinement

cmd/server/main.go

@@ -6,6 +6,7 @@ import (
 	"log"
 	"net"
 	"net/http"
+	"os"
 	"strings"
 
 	"git.tornberg.me/go-otel/internal/collector"
@@ -152,7 +153,11 @@ func main() {
 
 	// Configure history size (default 100, can be made configurable)
 	historySize := 100
-	store := storage.NewFileStore("otel-agent.log")
+	logPath := os.Getenv("OTELLOG_PATH")
+	if logPath == "" {
+		logPath = "otel-agent.log"
+	}
+	store := storage.NewFileStore(logPath)
 	coll := collector.New(nil, historySize, store) // Temporary nil for wsServer
 	wsServer := websocket.New(coll)
 	// Update collector with wsServer