diff --git a/.DS_Store b/.DS_Store
index bd3b42c..22759d2 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b862fdb..63aca6e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,8 +3,23 @@ name: ci
 on:
   - push
 jobs:
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: "go.mod"
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: latest
+          args: --timeout=30m
   build:
     runs-on: ubuntu-latest
+    needs:
+      - lint
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-go@v5
diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..d383eb2
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,33 @@
+---
+linters:
+  disable-all: true
+  enable:
+    - govet
+    - staticcheck
+    - gocritic
+    - gosec
+    - gofmt
+    - goimports
+    - errcheck
+    - gosimple
+    - unused
+    - unconvert
+    - goconst
+    - gocyclo
+    - revive
+
+linters-settings:
+  wrapcheck:
+    ignoreSigs:
+      - .JSON
+      - .NewHTTPError
+      - .Redirect
+      - .NoContent
+      - .Errorf(
+      - errors.New(
+      - errors.Unwrap(
+      - .Wrap(
+      - .Wrapf(
+      - .WithMessage(
+      - .WithMessagef(
+      - .WithStack(    
\ No newline at end of file
diff --git a/.goreleaser.yml b/.goreleaser.yml
new file mode 100644
index 0000000..cc8d28f
--- /dev/null
+++ b/.goreleaser.yml
@@ -0,0 +1,15 @@
+---
+project_name: radio-music
+builds:
+  - main: ./cmd/main.go
+    goos:
+      - linux
+      - darwin
+      - windows
+    goarch:
+      - amd64
+      - arm64
+release:
+  github:
+    owner: debug-ing
+    name: radio-music
\ No newline at end of file
diff --git a/config/config.go b/config/config.go
index 5ca5c20..dcf1719 100644
--- a/config/config.go
+++ b/config/config.go
@@ -14,7 +14,6 @@ type Config struct {
 	}
 }
 
-var configPublic *Config
 var once sync.Once
 
 func LoadConfig(address string) (config *Config) {
@@ -26,7 +25,6 @@ func LoadConfig(address string) (config *Config) {
 		if err := viper.Unmarshal(&config); err != nil {
 			panic("ERROR load config file!")
 		}
-		configPublic = config
 		log.Println("================ Loaded Configuration ================")
 	})
 	return
diff --git a/internal/client.go b/internal/client.go
index 1eebc34..36c73c9 100644
--- a/internal/client.go
+++ b/internal/client.go
@@ -69,7 +69,7 @@ func (c *Client) GetClients() []chan []byte {
 }
 
 // HandleClient handles the client
-func (c *Client) HandleClient(w http.ResponseWriter, r *http.Request) {
+func (c *Client) HandleClient(w http.ResponseWriter, _ *http.Request) {
 	client := c.AddClient()
 	defer c.RemoveClient(client)
 	w.Header().Set("Content-Type", "audio/mpeg")
diff --git a/internal/stream.go b/internal/stream.go
index ac872d8..5ae4f2e 100644
--- a/internal/stream.go
+++ b/internal/stream.go
@@ -2,7 +2,6 @@ package internal
 
 import (
 	"fmt"
-	"io/ioutil"
 	"log"
 	"os"
 	"strings"
@@ -27,7 +26,7 @@ var (
 )
 
 func getPlaylist(folderPath string) ([]string, error) {
-	files, err := ioutil.ReadDir(folderPath)
+	files, err := os.ReadDir(folderPath)
 	if err != nil {
 		return nil, err
 	}