From 5336a9dfad7cb482ceeb92ae0d59eeca38986c5a Mon Sep 17 00:00:00 2001
From: Saumit Dinesan <justsaumit@protonmail.com>
Date: Thu, 21 Dec 2023 01:55:07 +0530
Subject: server.go : using constanst for default values

---
 server.go | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/server.go b/server.go
index 0358cea..59d725b 100644
--- a/server.go
+++ b/server.go
@@ -1,30 +1,37 @@
 package main
 
 import (
+	"log"
+	"os"
+
 	"github.com/joho/godotenv"
 	"github.com/justsaumit/go-fis-api/handlers"
 	"github.com/labstack/echo/v4"
-	"log"
-	"os"
+)
+
+const (
+	defaultPort           = "3000"
+	defaultDomain         = "localhost"
+	defaultAPIEndpointURL = "http://localhost:3000"
 )
 
 func main() {
 	err := godotenv.Load() // Load .env file
 	if err != nil {
-		log.Fatal("Error loading .env file")
+		log.Fatal("Error loading .env file", err)
 	}
 
 	port := os.Getenv("PORT")
 	if port == "" {
-		port = "3000" // default port if not set
+		port = defaultPort
 	}
 
-	domain := os.Getenv("DOMAIN")
+	domain, apiEndpointUrl := os.Getenv("DOMAIN")
 	api_endpoint_url := os.Getenv("API_ENDPOINT_URL")
 	if domain == "" || api_endpoint_url == "" {
-		log.Println("Warning: DOMAIN and API_ENDPOINT_URL environment variable not set. Using localhost as default.")
-		domain = "localhost"
-		api_endpoint_url = "http://localhost:3000"
+		log.Println("Warning: DOMAIN and API_ENDPOINT_URL environment variable not set. Using defaults")
+		domain = defaultDomain
+		api_endpoint_url = defaultAPIEndpointURL
 	}
 
 	certPath := "/etc/letsencrypt/live/" + domain + "/fullchain.pem"
-- 
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