implement basic configuration

main.go

@@ -1,9 +1,22 @@
 package main
 
 import (
+	"log"
+	"os"
+
 	"git.dubyatp.xyz/chat-api-server/api"
+	"github.com/joho/godotenv"
 )
 
 func main() {
+	// Initialize dotenv file
+	err := godotenv.Load()
+	if err != nil {
+		// Check if environment variables are defined by OS before erroring out
+		_, exists := os.LookupEnv("SCYLLA_CLUSTER")
+		if !exists {
+			log.Fatal("Required environment variables are not added, and no .env file was found")
+		}
+	}
 	api.Start()
 }