Fix Golangci-lint configuration

internal/config/config.go

@@ -20,12 +20,18 @@ import (
 	"strings"
 )
 
+const (
+	defaultPoseidonPort              = 7200
+	defaultNomadPort                 = 4646
+	defaultMemoryUsageAlertThreshold = 1_000
+)
+
 // Config contains the default configuration of Poseidon.
 var (
 	Config = &configuration{
 		Server: server{
 			Address:                 "127.0.0.1",
-			Port:                    7200,
+			Port:                    defaultPoseidonPort,
 			SystemdSocketActivation: false,
 			Token:                   "",
 			TLS: TLS{
@@ -45,7 +51,7 @@ var (
 		Nomad: Nomad{
 			Enabled: true,
 			Address: "127.0.0.1",
-			Port:    4646,
+			Port:    defaultNomadPort,
 			Token:   "",
 			TLS: TLS{
 				Active:   false,
@@ -70,7 +76,7 @@ var (
 			Formatter: dto.FormatterText,
 		},
 		Profiling: Profiling{
-			MemoryThreshold: 1_000,
+			MemoryThreshold: defaultMemoryUsageAlertThreshold,
 		},
 		Sentry: sentry.ClientOptions{
 			AttachStacktrace: true,

internal/runner/nomad_runner.go

@@ -435,17 +435,21 @@ func fileDeletionCommand(pathsToDelete []dto.FilePath) string {
 }
 
 func tarHeader(file dto.File) *tar.Header {
+	// See #236. Sticky bit is to allow creating files next to write-protected files.
+	const directoryPermission int64 = 0o1777
+	const filePermission int64 = 0o744
+
 	if file.IsDirectory() {
 		return &tar.Header{
 			Typeflag: tar.TypeDir,
 			Name:     file.CleanedPath(),
-			Mode:     0o1777, // See #236. Sticky bit is to allow creating files next to write-protected files.
+			Mode:     directoryPermission,
 		}
 	} else {
 		return &tar.Header{
 			Typeflag: tar.TypeReg,
 			Name:     file.CleanedPath(),
-			Mode:     0o744,
+			Mode:     filePermission,
 			Size:     int64(len(file.Content)),
 		}
 	}