change to use logging instead of print to stdout

main.go

@@ -35,6 +35,7 @@ func main() {
 		fmt.Println("Unable to write logfile", err)
 		os.Exit(1)
 	}
+	log.SetOutput(logfileWriter)
 
 	// Initiate connection to sqlite and make sure our schema is up to date
 	models.ConnectDatabase()
@@ -88,7 +89,7 @@ func main() {
 		bindIP = "8443"
 	}
 	bindAddress := fmt.Sprint(bindIP, ":", bindPort)
-	fmt.Printf("Will listen on address 'https://%s'\n", bindAddress)
+	log.Printf("Will listen on address 'https://%s'\n", bindAddress)
 
 	// Get file names for TLS cert/key
 	tlsCertFilename := os.Getenv("TLS_CERT_FILE")
@@ -107,7 +108,7 @@ func main() {
 
 	// Generate certificate if required
 	if !(utils.FileExists(tlsCertFilename) && utils.FileExists(tlsKeyFilename)) {
-		fmt.Printf("Specified TLS certificate (%s) or private key (%s) do not exist.\n", tlsCertFilename, tlsKeyFilename)
+		log.Printf("Specified TLS certificate (%s) or private key (%s) do not exist.\n", tlsCertFilename, tlsKeyFilename)
 		utils.GenerateCerts(tlsCertFilename, tlsKeyFilename)
 	}