refactor(logs): Replaced main logger with zap

main.go

@@ -3,7 +3,6 @@ package main
 import (
 	"crypto/sha256"
 	"crypto/subtle"
-	"log"
 
 	"git.odit.services/lfk/document-server/docs" // Correct import path for docs
 	"git.odit.services/lfk/document-server/handlers"
@@ -16,10 +15,12 @@ import (
 	"github.com/gofiber/swagger"
 	"github.com/redis/go-redis/v9"
 	"github.com/spf13/viper"
+	"go.uber.org/zap"
 )
 
 var (
 	config *models.Config
+	logger *zap.SugaredLogger
 )
 
 func validateAPIKey(c *fiber.Ctx, key string) (bool, error) {
@@ -57,7 +58,7 @@ func loadEnv() error {
 	viper.AutomaticEnv()
 	err := viper.ReadInConfig()
 	if err != nil {
-		log.Println("No .env file found")
+		logger.Warn("No .env file found")
 	}
 
 	// Unmarshal the config from file and env into the config struct
@@ -66,7 +67,7 @@ func loadEnv() error {
 		return err
 	}
 
-	log.Printf("Loaded config: %+v\n", config)
+	logger.Infow("Loaded config", config)
 
 	return nil
 }
@@ -83,14 +84,21 @@ func loadEnv() error {
 // @name						key
 func main() {
 
+	// Init the logger
+	zapLogger, _ := zap.NewProduction()
+	defer zapLogger.Sync()
+	logger = zapLogger.Sugar()
+	logger.Info("Logger initialized")
+
 	err := loadEnv()
 	if err != nil {
-		log.Fatal(err)
+		logger.Error(err)
+		return
 	}
 
 	var redisClient *redis.Client
 	if config.RedisAddr != "" {
-		log.Println("Using redis at", config.RedisAddr)
+		logger.Infow("Using redis", config.RedisAddr)
 		redisClient = redis.NewClient(&redis.Options{
 			Addr: config.RedisAddr,
 		})
@@ -143,5 +151,5 @@ func main() {
 	app.Use(handler.NotFoundHandler)
 	docs.SwaggerInfo.BasePath = "/"
 
-	log.Fatal(app.Listen("0.0.0.0:" + config.Port))
+	logger.Error(app.Listen("0.0.0.0:" + config.Port))
 }