feat: update README and docker-compose for Kuma monitoring configuration

Readme.md

@@ -28,6 +28,9 @@ Create a `.env` file in the project root with your Discord bot token:
 
 ```
 DISCORD_BOT_TOKEN=your_discord_bot_token_here
+# Optional: Set Kuma monitoring variables:
+# KUMA_PUSH_URL=https://your-uptime-kuma-instance.com/api/push/
+# KUMA_PUSH_INTERVAL=60
 ```
 
 ### 3. Run with Docker Compose

bot.go

@@ -55,11 +55,11 @@ func main() {
 	}
 
 	// Start Kuma push monitor if configured
-	kumaPushURL := os.Getenv("Kuma-Push-Url")
-	if kumaPushURL != "" {
-		intervalStr := os.Getenv("Kuma-Push-Interval")
+	kumaPushURL, ok := os.LookupEnv("KUMA_PUSH_URL")
+	if ok {
+		intervalStr, ok := os.LookupEnv("KUMA_PUSH_INTERVAL")
 		interval := 60 // default to 60 seconds
-		if intervalStr != "" {
+		if ok && intervalStr != "" {
 			if parsed, err := strconv.Atoi(intervalStr); err == nil && parsed > 0 {
 				interval = parsed
 			}

docker-compose.yml

@@ -8,5 +8,5 @@ services:
     env_file:
       - .env
     # Optional: Set Kuma monitoring variables in .env file:
-    # Kuma-Push-Url=https://your-uptime-kuma-instance.com/api/push/xxxxx
-    # Kuma-Push-Interval=60
+    # KUMA_PUSH_URL=https://your-uptime-kuma-instance.com/api/push/xxxxx
+    # KUMA_PUSH_INTERVAL=60