diff --git a/cmd/admin/main.go b/cmd/admin/main.go
index 15e9d54..431411a 100644
--- a/cmd/admin/main.go
+++ b/cmd/admin/main.go
@@ -8,6 +8,7 @@ import (
 	"log"
 	"os"
 
+	"git.keircn.com/keiran/termcloud/internal/config"
 	"git.keircn.com/keiran/termcloud/internal/db"
 )
 
@@ -29,13 +30,15 @@ func main() {
 	}
 
 	ctx := context.Background()
-	pool, err := db.NewPool(ctx)
+	cfg := config.Load()
+
+	pool, err := db.NewPool(ctx, cfg)
 	if err != nil {
 		log.Fatalf("Failed to create database pool: %v", err)
 	}
 	defer db.ClosePool(pool)
 
-	bucketService := db.NewBucketService(pool)
+	bucketService := db.NewBucketService(pool, cfg)
 
 	switch os.Args[1] {
 	case "create-user":
@@ -46,7 +49,7 @@ func main() {
 
 		username := os.Args[2]
 		email := os.Args[3]
-		storageLimit := int64(1) * 1024 * 1024 * 1024
+		storageLimit := cfg.DefaultStorageLimit
 
 		if len(os.Args) >= 5 {
 			var limitGB int64
diff --git a/cmd/termcloud/main.go b/cmd/termcloud/main.go
index b4e5747..cea881e 100644
--- a/cmd/termcloud/main.go
+++ b/cmd/termcloud/main.go
@@ -2,9 +2,10 @@ package main
 
 import (
 	"context"
+	"fmt"
 	"log"
-	"os"
 
+	"git.keircn.com/keiran/termcloud/internal/config"
 	"git.keircn.com/keiran/termcloud/internal/db"
 	"git.keircn.com/keiran/termcloud/internal/handlers"
 	"github.com/labstack/echo/v4"
@@ -14,30 +15,31 @@ import (
 
 func main() {
 	ctx := context.Background()
+	cfg := config.Load()
 
-	pool, err := db.NewPool(ctx)
+	pool, err := db.NewPool(ctx, cfg)
 	if err != nil {
 		log.Fatalf("Failed to create database pool: %v", err)
 	}
 	defer db.ClosePool(pool)
 
-	bucketService := db.NewBucketService(pool)
+	bucketService := db.NewBucketService(pool, cfg)
 	h := handlers.NewHandlers(bucketService)
 
 	e := echo.New()
 
-	e.Use(middleware.BodyLimit("100M"))
+	e.Use(middleware.BodyLimit(fmt.Sprintf("%dM", cfg.MaxFileSize/1024/1024)))
 	e.Use(middleware.CORSWithConfig(middleware.CORSConfig{
-		AllowOrigins: []string{"*"},
+		AllowOrigins: cfg.CORSOrigins,
 		AllowMethods: []string{echo.GET, echo.POST, echo.PUT, echo.DELETE},
 		AllowHeaders: []string{"*"},
 	}))
 	e.Use(middleware.GzipWithConfig(middleware.GzipConfig{
-		Level: 5,
+		Level: cfg.GzipLevel,
 	}))
-	e.Use(middleware.RateLimiter(middleware.NewRateLimiterMemoryStore(rate.Limit(20))))
+	e.Use(middleware.RateLimiter(middleware.NewRateLimiterMemoryStore(rate.Limit(cfg.RateLimit))))
 
-	e.Static("/storage", "storage")
+	e.Static("/storage", cfg.StorageDir)
 
 	e.GET("/", h.RootHandler)
 
@@ -53,10 +55,5 @@ func main() {
 	api.GET("/buckets/:bucket/objects/*", h.GetObjectHandler)
 	api.DELETE("/buckets/:bucket/objects/*", h.DeleteObjectHandler)
 
-	port := os.Getenv("PORT")
-	if port == "" {
-		port = "8080"
-	}
-
-	e.Logger.Fatal(e.Start(":" + port))
+	e.Logger.Fatal(e.Start(":" + cfg.Port))
 }