Added greater granularity for boolean environment variables (#511)

* Added greater granularity for boolean environment variables

* Improved solution as reviewed

pkg/dashboard/objects/data.go

@@ -3,7 +3,6 @@ package objects
 import (
 	"context"
 	"encoding/json"
-	"os"
 	"strings"
 	"sync"
 	"time"
@@ -11,6 +10,7 @@ import (
 	"io"
 
 	"github.com/joomcode/errorx"
+	"github.com/komodorio/helm-dashboard/pkg/dashboard/utils"
 	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 	"helm.sh/helm/v3/pkg/action"
@@ -193,7 +193,7 @@ func (d *DataLayer) nsForCtx(ctx string) string {
 }
 
 func (d *DataLayer) PeriodicTasks(ctx context.Context) {
-	if os.Getenv("HD_NO_AUTOUPDATE") == "" {
+	if !utils.EnvAsBool("HD_NO_AUTOUPDATE", false) {
 		// auto-update repos
 		go d.loopUpdateRepos(ctx, 10*time.Minute) // TODO: parameterize interval?
 	}