diff --git a/Taskfile.yml b/Taskfile.yml
index 9e17585b..035200da 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -12,7 +12,7 @@ tasks:
     sources:
       - "**/*.go"
     cmds:
-      - go fmt ./...
+      - gofumpt -l -w .
 
   mocks:
     desc: generate new mocks from scratch
diff --git a/internal/cmd/mockery.go b/internal/cmd/mockery.go
index 61bb5391..68f07663 100644
--- a/internal/cmd/mockery.go
+++ b/internal/cmd/mockery.go
@@ -18,9 +18,7 @@ import (
 	"golang.org/x/tools/go/packages"
 )
 
-var (
-	ErrCfgFileNotFound = errors.New("config file not found")
-)
+var ErrCfgFileNotFound = errors.New("config file not found")
 
 func NewRootCmd() (*cobra.Command, error) {
 	var pFlags *pflag.FlagSet
@@ -82,7 +80,7 @@ func Execute() {
 	if err != nil {
 		os.Exit(1)
 	}
-	if cmd.Execute(); err != nil {
+	if err := cmd.Execute(); err != nil {
 		os.Exit(1)
 	}
 }
diff --git a/internal/cmd/showconfig.go b/internal/cmd/showconfig.go
index 9893a863..5b7b21bd 100644
--- a/internal/cmd/showconfig.go
+++ b/internal/cmd/showconfig.go
@@ -30,7 +30,10 @@ func NewShowConfigCmd() *cobra.Command {
 			}
 
 			k := koanf.New("|")
-			k.Load(structs.Provider(conf, "koanf"), nil)
+			if err := k.Load(structs.Provider(conf, "koanf"), nil); err != nil {
+				log.Err(err).Msg("failed to load config")
+				return err
+			}
 			b, _ := k.Marshal(koanfYAML.Parser())
 			fmt.Println(string(b))
 
diff --git a/internal/fixtures/method_args/same_name_arg_and_type/entity_test.go b/internal/fixtures/method_args/same_name_arg_and_type/entity_test.go
index 1a83c445..5ad0ff15 100644
--- a/internal/fixtures/method_args/same_name_arg_and_type/entity_test.go
+++ b/internal/fixtures/method_args/same_name_arg_and_type/entity_test.go
@@ -37,7 +37,6 @@ func Test(t *testing.T) {
 		}
 		res := s.ExecDoB()
 		assert.Equal(t, mockInterfaceB, res)
-
 	})
 	t.Run("ExecDoB0", func(t *testing.T) {
 		mockInterfaceB0 := NewMockinterfaceB0(t)
@@ -49,7 +48,6 @@ func Test(t *testing.T) {
 		}
 		res := s.ExecDoB0()
 		assert.Equal(t, mockInterfaceB0, res)
-
 	})
 	t.Run("ExecDoB0v2", func(t *testing.T) {
 		mockInterfaceB0 := NewMockinterfaceB0(t)
@@ -61,6 +59,5 @@ func Test(t *testing.T) {
 		}
 		res := s.ExecDoB0v2()
 		assert.Equal(t, mockInterfaceB0, res)
-
 	})
 }
diff --git a/internal/fixtures/requester_test.go b/internal/fixtures/requester_test.go
index 4cfdbbff..7eb33674 100644
--- a/internal/fixtures/requester_test.go
+++ b/internal/fixtures/requester_test.go
@@ -13,7 +13,7 @@ func TestRequesterMock(t *testing.T) {
 	m.EXPECT().Get("foo").Return("bar", nil).Once()
 	retString, err := m.Get("foo")
 	assert.NoError(t, err)
-	assert.Equal(t, retString, "bar")
+	assert.Equal(t, "bar", retString)
 }
 
 func TestRequesterMockRunAndReturn(t *testing.T) {
@@ -23,7 +23,7 @@ func TestRequesterMockRunAndReturn(t *testing.T) {
 	})
 	retString, err := m.Get("hello")
 	assert.NoError(t, err)
-	assert.Equal(t, retString, "hello world")
+	assert.Equal(t, "hello world", retString)
 }
 
 func TestRequesterMockRun(t *testing.T) {
@@ -34,15 +34,16 @@ func TestRequesterMockRun(t *testing.T) {
 	})
 	retString, err := m.Get("hello")
 	assert.NoError(t, err)
-	assert.Equal(t, retString, "")
+	assert.Equal(t, "", retString)
 }
 
+//nolint:errcheck
 func TestRequesterMockTestifyEmbed(t *testing.T) {
 	m := NewMockRequester(t)
 	m.EXPECT().Get(mock.Anything).Return("", nil).Twice()
 	m.Get("hello")
 	m.Get("world")
-	assert.Equal(t, len(m.Mock.Calls), 2)
+	assert.Len(t, m.Mock.Calls, 2)
 }
 
 func TestRequesterMoq(t *testing.T) {
diff --git a/internal/template_generator.go b/internal/template_generator.go
index c2d0de41..93fd228c 100644
--- a/internal/template_generator.go
+++ b/internal/template_generator.go
@@ -24,9 +24,9 @@ import (
 type Formatter string
 
 const (
-	FORMAT_GOFMT      Formatter = "gofmt"
-	FORMAT_GOIMPORRTS Formatter = "goimports"
-	FORMAT_NOOP       Formatter = "noop"
+	FormatGofmt     Formatter = "gofmt"
+	FormatGoImports Formatter = "goimports"
+	FormatNoop      Formatter = "noop"
 )
 
 var (
@@ -166,11 +166,11 @@ func NewTemplateGenerator(
 
 func (g *TemplateGenerator) format(src []byte) ([]byte, error) {
 	switch g.formatter {
-	case FORMAT_GOIMPORRTS:
+	case FormatGoImports:
 		return goimports(src)
-	case FORMAT_GOFMT:
+	case FormatGofmt:
 		return gofmt(src)
-	case FORMAT_NOOP:
+	case FormatNoop:
 		return src, nil
 	}
 
diff --git a/template/config.go b/template/config.go
index bb036102..137be8b1 100644
--- a/template/config.go
+++ b/template/config.go
@@ -82,12 +82,19 @@ func NewRootConfig(
 	}
 	k := koanf.New("|")
 	rootConfig.koanf = k
-	k.Set("dir", "{{.InterfaceDir}}")
-	k.Set("filename", "mocks_test.go")
-	k.Set("formatter", "goimports")
-	k.Set("mockname", "Mock{{.InterfaceName}}")
-	k.Set("pkgname", "{{.SrcPackageName}}")
-	k.Set("log-level", "info")
+	for key, val := range map[string]string{
+		"dir":       "{{.InterfaceDir}}",
+		"filename":  "mocks_test.go",
+		"formatter": "goimports",
+		"mockname":  "Mock{{.InterfaceName}}",
+		"pkgname":   "{{.SrcPackageName}}",
+		"log-level": "info",
+	} {
+		if err := k.Set(key, val); err != nil {
+			log.Err(err).Msg("failed to set default value")
+			return nil, nil, stackerr.NewStackErr(err)
+		}
+	}
 
 	configFileFromEnv := os.Getenv("MOCKERY_CONFIG")
 	if configFileFromEnv != "" {
@@ -111,7 +118,7 @@ func NewRootConfig(
 		log.Debug().Str("config-file", configFile.String()).Msg("config file found")
 	}
 	rootConfig.configFile = configFile
-	k.Load(
+	if err := k.Load(
 		env.Provider(
 			"MOCKERY_",
 			".",
@@ -119,7 +126,10 @@ func NewRootConfig(
 				return strings.Replace(strings.ToLower(strings.TrimPrefix(s, "MOCKERY_")), "_", "-", -1)
 			}),
 		nil,
-	)
+	); err != nil {
+		log.Err(err).Msg("failed to load environment provider")
+		return nil, nil, stackerr.NewStackErr(err)
+	}
 
 	if err := k.Load(file.Provider(configFile.String()), koanfYAML.Parser()); err != nil {
 		return nil, k, fmt.Errorf("loading config file: %w", err)
diff --git a/template/method_scope.go b/template/method_scope.go
index 5e9c70ed..669fd1b9 100644
--- a/template/method_scope.go
+++ b/template/method_scope.go
@@ -164,6 +164,7 @@ func (m *MethodScope) AddVar(ctx context.Context, vr *types.Var, prefix string,
 			moqPkgPath: m.moqPkgPath,
 		}
 	} else {
+		//nolint:contextcheck
 		imports = m.populateImports(context.Background(), vr.Type())
 		v = Var{
 			vr:         vr,
diff --git a/template/package.go b/template/package.go
index 2baf441f..f7be4f3e 100644
--- a/template/package.go
+++ b/template/package.go
@@ -71,13 +71,6 @@ func (p Package) uniqueName(lvl int) string {
 	return name
 }
 
-func min(a, b int) int {
-	if a < b {
-		return a
-	}
-	return b
-}
-
 func reverse(a []string) {
 	for i := len(a)/2 - 1; i >= 0; i-- {
 		opp := len(a) - 1 - i
diff --git a/template/template.go b/template/template.go
index c1d4125f..863f4c73 100644
--- a/template/template.go
+++ b/template/template.go
@@ -116,6 +116,7 @@ var TemplateMockFuncs = template.FuncMap{
 	},
 }
 
+//nolint:predeclared
 var StringManipulationFuncs = template.FuncMap{
 	// String inspection and manipulation. Note that the first argument is replaced
 	// as the last argument in some functions in order to support chained
diff --git a/tools/tools.go b/tools/tools.go
index 4a5cd139..4a769911 100644
--- a/tools/tools.go
+++ b/tools/tools.go
@@ -6,4 +6,5 @@ import (
 	_ "github.com/go-task/task/v3/cmd/task"
 	_ "github.com/golangci/golangci-lint/cmd/golangci-lint"
 	_ "gotest.tools/gotestsum"
+	_ "mvdan.cc/gofumpt"
 )