Move ENV imports to config package

api/database/database.go

@@ -3,7 +3,6 @@ package database
 import (
 	"context"
 	"fmt"
-	"os"
 	"time"
 
 	db "zardzul/music-index/sqlc"
@@ -11,16 +10,11 @@ import (
 	"github.com/jackc/pgx/v5/pgxpool"
 )
 
-func Connect() (*pgxpool.Pool, *db.Queries, error) {
+func Connect(databaseurl string) (*pgxpool.Pool, *db.Queries, error) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()
 
-	databaseURL := os.Getenv("DATABASE_URL")
-	if databaseURL == "" {
-		panic("DATABASE_URL environment variable not set")
-	}
-
-	pool, err := pgxpool.New(ctx, databaseURL)
+	pool, err := pgxpool.New(ctx, databaseurl)
 	if err != nil {
 		return nil, nil, fmt.Errorf("create pool: %w", err)
 	}

api/main.go

@@ -1,17 +1,15 @@
 package main
 
 import (
-	"os"
-	"strconv"
 	"time"
 	"zardzul/music-index/database"
 	_ "zardzul/music-index/docs"
 	"zardzul/music-index/handlers"
 	"zardzul/music-index/repository"
 	"zardzul/music-index/routes"
+	"zardzul/music-index/utils"
 
 	"github.com/gin-gonic/gin"
-	"github.com/joho/godotenv"
 )
 
 // @title Music Index API
@@ -20,43 +18,25 @@ import (
 // @BasePath /api/v1/
 
 func main() {
-	err := godotenv.Load(".env")
+
+	config, err := utils.LoadConfig()
 	if err != nil {
-		panic("Error loading .env file")
+		return
 	}
 
-	pool, queries, databaseError := database.Connect()
+	pool, queries, databaseError := database.Connect(config.DBURL)
 	if databaseError != nil {
 		panic(databaseError)
 	}
 	defer pool.Close()
 
-	jwtSecret := os.Getenv("JWT_SECRET")
-	if jwtSecret == "" {
-		panic("JWT_SECRET is required")
-	}
-
-	jwtIssuer := os.Getenv("JWT_ISSUER")
-	if jwtIssuer == "" {
-		jwtIssuer = "music-index-api"
-	}
-
-	jwtTTLMinutes := 60
-	if envTTL := os.Getenv("JWT_TTL_MINUTES"); envTTL != "" {
-		parsed, parseErr := strconv.Atoi(envTTL)
-		if parseErr != nil || parsed <= 0 {
-			panic("JWT_TTL_MINUTES must be a positive integer")
-		}
-		jwtTTLMinutes = parsed
-	}
-
 	userRepo := repository.NewUserRepository(queries)
-	userHandler := handlers.NewUserHandler(userRepo, jwtSecret, jwtIssuer, time.Duration(jwtTTLMinutes)*time.Minute)
+	userHandler := handlers.NewUserHandler(userRepo, config.JWTsecret, config.JWTIssuer, time.Duration(config.JWTTTL)*time.Minute)
 	artistRepo := repository.NewArtistRepository(queries)
 	artistHandler := handlers.NewArtistHandler(artistRepo)
 
 	router := gin.Default()
-	routes.Routes(router, userHandler, artistHandler, jwtSecret)
+	routes.Routes(router, userHandler, artistHandler, config.JWTsecret)
 
 	if routerError := router.Run(":8080"); routerError != nil {
 		panic(routerError)

api/utils/config.go

@@ -0,0 +1,50 @@
+package utils
+
+import (
+	"os"
+	"strconv"
+
+	"github.com/joho/godotenv"
+)
+
+type Config struct {
+	JWTsecret string
+	JWTIssuer string
+	JWTTTL    int
+	DBURL     string
+}
+
+func LoadConfig() (*Config, error) {
+	Config := new(Config)
+
+	err := godotenv.Load(".env")
+	if err != nil {
+		panic("Error loading .env file")
+	}
+
+	Config.JWTsecret = os.Getenv("JWT_SECRET")
+	if Config.JWTsecret == "" {
+		panic("JWT_SECRET is required")
+	}
+
+	Config.JWTIssuer = os.Getenv("JWT_ISSUER")
+	if Config.JWTIssuer == "" {
+		Config.JWTIssuer = "music-index-api"
+	}
+
+	Config.JWTTTL = 60
+	if envTTL := os.Getenv("JWT_TTL_MINUTES"); envTTL != "" {
+		parsed, parseErr := strconv.Atoi(envTTL)
+		if parseErr != nil || parsed <= 0 {
+			panic("JWT_TTL_MINUTES must be a positive integer")
+		}
+		Config.JWTTTL = parsed
+	}
+
+	Config.DBURL = os.Getenv("DATABASE_URL")
+	if Config.DBURL == "" {
+		panic("DATABASE_URL environment variable not set")
+	}
+
+	return Config, nil
+}