From 64d2b07d0db4b684b39336cb4bcc710eea15b064 Mon Sep 17 00:00:00 2001
From: Fabian Vowie <fabian@vowie.me>
Date: Sun, 23 Jan 2022 18:31:14 +0100
Subject: [PATCH] Write log into separate log-file

---
 .gitignore | 3 ++-
 main.go    | 9 ++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index a6482a3..657294b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,4 +15,5 @@
 go.work
 
 # Lithium specific
-settings.json
\ No newline at end of file
+settings.json
+lithium.log
\ No newline at end of file
diff --git a/main.go b/main.go
index c34f205..b05c644 100644
--- a/main.go
+++ b/main.go
@@ -148,8 +148,15 @@ func RegisterRoutes(r *mux.Router, pipelines []pipelines.IPipeline, storageProvi
 }
 
 func main() {
+	logFile, err := os.OpenFile("lithium.log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
+	if err == nil {
+		multiWriter := io.MultiWriter(os.Stdout, logFile)
+		logrus.SetOutput(multiWriter)
+	} else {
+		logrus.SetOutput(os.Stdout)
+	}
+
 	logrus.SetFormatter(&logrus.JSONFormatter{})
-	logrus.SetOutput(os.Stdout)
 
 	appSettings, err := settings.LoadSettings(afero.NewOsFs())
 	if err != nil {