diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..d59c99b
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,39 @@
+linters:
+  enable-all: false
+  disable-all: true
+  fast: false
+  enable:
+    - bodyclose
+    - dogsled
+    - dupl
+    - errcheck
+    - exportloopref
+    - exhaustive
+    - gochecknoinits
+    - goconst
+    - gocritic
+    - gocyclo
+    - gofmt
+    - goimports
+    - goprintffuncname
+    - gosec
+    - gosimple
+    - govet
+    - ineffassign
+    - lll
+    - misspell
+    - nakedret
+    - noctx
+    - nolintlint
+    - rowserrcheck
+    - staticcheck
+    - stylecheck
+    - typecheck
+    - unconvert
+    - unparam
+    - unused
+    - whitespace
+    - gofumpt
+
+run:
+  timeout: 3m
diff --git a/dynamic.go b/dynamic.go
index 0642d50..a272c70 100644
--- a/dynamic.go
+++ b/dynamic.go
@@ -129,7 +129,11 @@ func (r DynamicRender) AddFromString(name, templateString string) *template.Temp
 }
 
 // AddFromStringsFuncs supply add template from strings
-func (r DynamicRender) AddFromStringsFuncs(name string, funcMap template.FuncMap, templateStrings ...string) *template.Template {
+func (r DynamicRender) AddFromStringsFuncs(
+	name string,
+	funcMap template.FuncMap,
+	templateStrings ...string,
+) *template.Template {
 	builder := &templateBuilder{
 		templateName: name, funcMap: funcMap,
 		templateStrings: templateStrings,
diff --git a/dynamic_test.go b/dynamic_test.go
index 0a2cefa..ef001ca 100644
--- a/dynamic_test.go
+++ b/dynamic_test.go
@@ -39,7 +39,11 @@ func createFromStringDynamic() Renderer {
 
 func createFromStringsWithFuncsDynamic() Renderer {
 	r := NewRenderer()
-	r.AddFromStringsFuncs("index", template.FuncMap{}, `Welcome to {{ .name }} {{template "content"}}`, `{{define "content"}}template{{end}}`)
+	r.AddFromStringsFuncs(
+		"index",
+		template.FuncMap{},
+		`Welcome to {{ .name }} {{template "content"}}`, `{{define "content"}}template{{end}}`,
+	)
 
 	return r
 }
@@ -79,7 +83,7 @@ func TestAddFromFilesDynamic(t *testing.T) {
 		})
 	})
 
-	w := performRequest(router, "GET", "/")
+	w := performRequest(router)
 	assert.Equal(t, 200, w.Code)
 	assert.Equal(t, "<p>Test Multiple Template</p>\nHi, this is article template\n", w.Body.String())
 }
@@ -93,7 +97,7 @@ func TestAddFromGlobDynamic(t *testing.T) {
 		})
 	})
 
-	w := performRequest(router, "GET", "/")
+	w := performRequest(router)
 	assert.Equal(t, 200, w.Code)
 	assert.Equal(t, "<p>Test Multiple Template</p>\nHi, this is login template\n", w.Body.String())
 }
@@ -107,7 +111,7 @@ func TestAddFromFSDynamic(t *testing.T) {
 		})
 	})
 
-	w := performRequest(router, "GET", "/")
+	w := performRequest(router)
 	assert.Equal(t, 200, w.Code)
 	assert.Equal(t, "<p>Test Multiple Template</p>\nHi, this is article template\n", w.Body.String())
 }
@@ -121,7 +125,7 @@ func TestAddFromStringDynamic(t *testing.T) {
 		})
 	})
 
-	w := performRequest(router, "GET", "/")
+	w := performRequest(router)
 	assert.Equal(t, 200, w.Code)
 	assert.Equal(t, "Welcome to index template", w.Body.String())
 }
@@ -135,7 +139,7 @@ func TestAddFromStringsFruncsDynamic(t *testing.T) {
 		})
 	})
 
-	w := performRequest(router, "GET", "/")
+	w := performRequest(router)
 	assert.Equal(t, 200, w.Code)
 	assert.Equal(t, "Welcome to index template", w.Body.String())
 }
@@ -149,7 +153,7 @@ func TestAddFromFilesFruncsDynamic(t *testing.T) {
 		})
 	})
 
-	w := performRequest(router, "GET", "/")
+	w := performRequest(router)
 	assert.Equal(t, 200, w.Code)
 	assert.Equal(t, "Welcome to index template\n", w.Body.String())
 }
diff --git a/example/advanced/example.go b/example/advanced/example.go
index 9465850..0467537 100644
--- a/example/advanced/example.go
+++ b/example/advanced/example.go
@@ -44,8 +44,8 @@ func loadTemplates(templatesDir string) multitemplate.Renderer {
 	for _, include := range includes {
 		layoutCopy := make([]string, len(layouts))
 		copy(layoutCopy, layouts)
-		files := append(layoutCopy, include)
-		r.AddFromFiles(filepath.Base(include), files...)
+		layoutCopy = append(layoutCopy, include)
+		r.AddFromFiles(filepath.Base(include), layoutCopy...)
 	}
 	return r
 }
diff --git a/example/multibase/example.go b/example/multibase/example.go
index 2a5d743..f2df977 100644
--- a/example/multibase/example.go
+++ b/example/multibase/example.go
@@ -44,8 +44,8 @@ func loadTemplates(templatesDir string) multitemplate.Renderer {
 	for _, article := range articles {
 		layoutCopy := make([]string, len(articleLayouts))
 		copy(layoutCopy, articleLayouts)
-		files := append(layoutCopy, article)
-		r.AddFromFiles(filepath.Base(article), files...)
+		layoutCopy = append(layoutCopy, article)
+		r.AddFromFiles(filepath.Base(article), layoutCopy...)
 	}
 
 	adminLayouts, err := filepath.Glob(templatesDir + "/layouts/admin-base.html")
@@ -62,8 +62,8 @@ func loadTemplates(templatesDir string) multitemplate.Renderer {
 	for _, admin := range admins {
 		layoutCopy := make([]string, len(adminLayouts))
 		copy(layoutCopy, adminLayouts)
-		files := append(layoutCopy, admin)
-		r.AddFromFiles(filepath.Base(admin), files...)
+		layoutCopy = append(layoutCopy, admin)
+		r.AddFromFiles(filepath.Base(admin), layoutCopy...)
 	}
 	return r
 }
diff --git a/multitemplate.go b/multitemplate.go
index 09c2978..94937b6 100644
--- a/multitemplate.go
+++ b/multitemplate.go
@@ -65,7 +65,11 @@ func (r Render) AddFromString(name, templateString string) *template.Template {
 }
 
 // AddFromStringsFuncs supply add template from strings
-func (r Render) AddFromStringsFuncs(name string, funcMap template.FuncMap, templateStrings ...string) *template.Template {
+func (r Render) AddFromStringsFuncs(
+	name string,
+	funcMap template.FuncMap,
+	templateStrings ...string,
+) *template.Template {
 	tmpl := template.New(name).Funcs(funcMap)
 
 	for _, ts := range templateStrings {
diff --git a/multitemplate_test.go b/multitemplate_test.go
index 6b631de..f0d2854 100644
--- a/multitemplate_test.go
+++ b/multitemplate_test.go
@@ -12,8 +12,8 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func performRequest(r http.Handler, method, path string) *httptest.ResponseRecorder {
-	req, _ := http.NewRequestWithContext(context.Background(), method, path, nil)
+func performRequest(r http.Handler) *httptest.ResponseRecorder {
+	req, _ := http.NewRequestWithContext(context.Background(), "GET", "/", nil)
 	w := httptest.NewRecorder()
 	r.ServeHTTP(w, req)
 	return w
@@ -49,7 +49,11 @@ func createFromString() Render {
 
 func createFromStringsWithFuncs() Render {
 	r := New()
-	r.AddFromStringsFuncs("index", template.FuncMap{}, `Welcome to {{ .name }} {{template "content"}}`, `{{define "content"}}template{{end}}`)
+	r.AddFromStringsFuncs(
+		"index",
+		template.FuncMap{},
+		`Welcome to {{ .name }} {{template "content"}}`, `{{define "content"}}template{{end}}`,
+	)
 
 	return r
 }
@@ -82,7 +86,7 @@ func TestAddFromFiles(t *testing.T) {
 		})
 	})
 
-	w := performRequest(router, "GET", "/")
+	w := performRequest(router)
 	assert.Equal(t, 200, w.Code)
 	assert.Equal(t, "<p>Test Multiple Template</p>\nHi, this is article template\n", w.Body.String())
 }
@@ -96,7 +100,7 @@ func TestAddFromGlob(t *testing.T) {
 		})
 	})
 
-	w := performRequest(router, "GET", "/")
+	w := performRequest(router)
 	assert.Equal(t, 200, w.Code)
 	assert.Equal(t, "<p>Test Multiple Template</p>\nHi, this is login template\n", w.Body.String())
 }
@@ -110,7 +114,7 @@ func TestAddFromFS(t *testing.T) {
 		})
 	})
 
-	w := performRequest(router, "GET", "/")
+	w := performRequest(router)
 	assert.Equal(t, 200, w.Code)
 	assert.Equal(t, "<p>Test Multiple Template</p>\nHi, this is article template\n", w.Body.String())
 }
@@ -124,7 +128,7 @@ func TestAddFromString(t *testing.T) {
 		})
 	})
 
-	w := performRequest(router, "GET", "/")
+	w := performRequest(router)
 	assert.Equal(t, 200, w.Code)
 	assert.Equal(t, "Welcome to index template", w.Body.String())
 }
@@ -138,7 +142,7 @@ func TestAddFromStringsFruncs(t *testing.T) {
 		})
 	})
 
-	w := performRequest(router, "GET", "/")
+	w := performRequest(router)
 	assert.Equal(t, 200, w.Code)
 	assert.Equal(t, "Welcome to index template", w.Body.String())
 }
@@ -152,7 +156,7 @@ func TestAddFromFilesFruncs(t *testing.T) {
 		})
 	})
 
-	w := performRequest(router, "GET", "/")
+	w := performRequest(router)
 	assert.Equal(t, 200, w.Code)
 	assert.Equal(t, "Welcome to index template\n", w.Body.String())
 }