From 2be7785d2a901d2cff8247272ed9901bd4392848 Mon Sep 17 00:00:00 2001
From: Shin'ya Minazuki <shinyoukai@laidback.moe>
Date: Tue, 6 Jan 2026 21:33:08 -0300
Subject: [PATCH] Do not rely on environment variables

Signed-off-by: Shin'ya Minazuki <shinyoukai@laidback.moe>
---
 main.go | 32 +++++++++++++++-----------------
 1 file changed, 15 insertions(+), 17 deletions(-)

diff --git a/main.go b/main.go
index 13788fd1..8525aa9f 100644
--- a/main.go
+++ b/main.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"flag"
 	"os"
 	"os/signal"
 	"strconv"
@@ -15,14 +16,19 @@ import (
 	"github.com/TwiN/logr"
 )
 
-const (
-	GatusConfigPathEnvVar = "GATUS_CONFIG_PATH"
-	GatusConfigFileEnvVar = "GATUS_CONFIG_FILE" // Deprecated in favor of GatusConfigPathEnvVar
-	GatusLogLevelEnvVar   = "GATUS_LOG_LEVEL"
+var (
+	configPath string
+	delay string
+	logLevel string
 )
 
 func main() {
-	if delayInSeconds, _ := strconv.Atoi(os.Getenv("GATUS_DELAY_START_SECONDS")); delayInSeconds > 0 {
+	flag.StringVar(&configPath, "config", "config.yaml", "Path to the configuration file")
+	flag.StringVar(&delay, "delay", "0", "How many seconds to wait before monitoring begins")
+	flag.StringVar(&logLevel, "loglevel", "INFO", "Verbosity of logs")
+	flag.Parse()
+
+	if delayInSeconds, _ := strconv.Atoi(delay); delayInSeconds > 0 {
 		logr.Infof("Delaying start by %d seconds", delayInSeconds)
 		time.Sleep(time.Duration(delayInSeconds) * time.Second)
 	}
@@ -69,28 +75,20 @@ func save() {
 }
 
 func configureLogging() {
-	logLevelAsString := os.Getenv(GatusLogLevelEnvVar)
-	if logLevel, err := logr.LevelFromString(logLevelAsString); err != nil {
+	if loglevel, err := logr.LevelFromString(logLevel); err != nil {
 		logr.SetThreshold(logr.LevelInfo)
-		if len(logLevelAsString) == 0 {
+		if len(loglevel) == 0 {
 			logr.Infof("[main.configureLogging] Defaulting log level to %s", logr.LevelInfo)
 		} else {
-			logr.Warnf("[main.configureLogging] Invalid log level '%s', defaulting to %s", logLevelAsString, logr.LevelInfo)
+			logr.Warnf("[main.configureLogging] Invalid log level '%s', defaulting to %s", logLevel, logr.LevelInfo)
 		}
 	} else {
-		logr.SetThreshold(logLevel)
+		logr.SetThreshold(loglevel)
 		logr.Infof("[main.configureLogging] Log Level is set to %s", logr.GetThreshold())
 	}
 }
 
 func loadConfiguration() (*config.Config, error) {
-	configPath := os.Getenv(GatusConfigPathEnvVar)
-	// Backwards compatibility
-	if len(configPath) == 0 {
-		if configPath = os.Getenv(GatusConfigFileEnvVar); len(configPath) > 0 {
-			logr.Warnf("WARNING: %s is deprecated. Please use %s instead.", GatusConfigFileEnvVar, GatusConfigPathEnvVar)
-		}
-	}
 	return config.LoadConfiguration(configPath)
 }