diff --git a/backend/.golangci.yml b/backend/.golangci.yml
index 7b77c27..8f63110 100644
--- a/backend/.golangci.yml
+++ b/backend/.golangci.yml
@@ -50,6 +50,7 @@ linters:
     - goconst
     - gocritic
     - gocyclo
+    - gofmt
     - goprintffuncname
     - gosimple
     - govet
diff --git a/backend/api b/backend/api
new file mode 100755
index 0000000..2aa21de
Binary files /dev/null and b/backend/api differ
diff --git a/backend/api.REMOVED.git-id b/backend/api.REMOVED.git-id
deleted file mode 100644
index e74278f..0000000
--- a/backend/api.REMOVED.git-id
+++ /dev/null
@@ -1 +0,0 @@
-2aa21deab73854398ee7954e2ad3bfb7452bbac0
\ No newline at end of file
diff --git a/backend/app/api/handlers/v1/v1_ctrl_group.go b/backend/app/api/handlers/v1/v1_ctrl_group.go
index 0d26869..69bc024 100644
--- a/backend/app/api/handlers/v1/v1_ctrl_group.go
+++ b/backend/app/api/handlers/v1/v1_ctrl_group.go
@@ -57,7 +57,7 @@ func (ctrl *V1Controller) HandleGroupUpdate() errchain.HandlerFunc {
 		ok := ctrl.svc.Currencies.IsSupported(body.Currency)
 		if !ok {
 			return repo.Group{}, validate.NewFieldErrors(
-				validate.NewFieldError("currency", "currency '" + body.Currency + "' is not supported"),
+				validate.NewFieldError("currency", "currency '"+body.Currency+"' is not supported"),
 			)
 		}
 
diff --git a/backend/app/api/handlers/v1/v1_ctrl_items.go b/backend/app/api/handlers/v1/v1_ctrl_items.go
index 6666cc1..062e378 100644
--- a/backend/app/api/handlers/v1/v1_ctrl_items.go
+++ b/backend/app/api/handlers/v1/v1_ctrl_items.go
@@ -27,7 +27,7 @@ import (
 //	@Param    pageSize  query    int      false "items per page"
 //	@Param    labels    query    []string false "label Ids"    collectionFormat(multi)
 //	@Param    locations query    []string false "location Ids" collectionFormat(multi)
-//  @Param    parentIds query    []string false "parent Ids"   collectionFormat(multi)
+//	@Param    parentIds query    []string false "parent Ids"   collectionFormat(multi)
 //	@Success  200       {object} repo.PaginationResult[repo.ItemSummary]{}
 //	@Router   /v1/items [GET]
 //	@Security Bearer
@@ -57,7 +57,7 @@ func (ctrl *V1Controller) HandleItemsGetAll() errchain.HandlerFunc {
 			Search:          params.Get("q"),
 			LocationIDs:     queryUUIDList(params, "locations"),
 			LabelIDs:        queryUUIDList(params, "labels"),
-      ParentItemIDs:   queryUUIDList(params, "parentIds"),
+			ParentItemIDs:   queryUUIDList(params, "parentIds"),
 			IncludeArchived: queryBool(params.Get("includeArchived")),
 			Fields:          filterFieldItems(params["fields"]),
 			OrderBy:         params.Get("orderBy"),
diff --git a/backend/internal/sys/config/conf.go b/backend/internal/sys/config/conf.go
index efc1871..3b84e7d 100644
--- a/backend/internal/sys/config/conf.go
+++ b/backend/internal/sys/config/conf.go
@@ -17,20 +17,20 @@ const (
 
 type Config struct {
 	conf.Version
-	Mode           string     `yaml:"mode"    conf:"default:development"` // development or production
-	Web            WebConfig  `yaml:"web"`
-	Storage        Storage    `yaml:"storage"`
-	Log            LoggerConf `yaml:"logger"`
-	Mailer         MailerConf `yaml:"mailer"`
-	Demo           bool       `yaml:"demo"`
-	Debug          DebugConf  `yaml:"debug"`
-	Options        Options    `yaml:"options"`
+	Mode    string     `yaml:"mode"    conf:"default:development"` // development or production
+	Web     WebConfig  `yaml:"web"`
+	Storage Storage    `yaml:"storage"`
+	Log     LoggerConf `yaml:"logger"`
+	Mailer  MailerConf `yaml:"mailer"`
+	Demo    bool       `yaml:"demo"`
+	Debug   DebugConf  `yaml:"debug"`
+	Options Options    `yaml:"options"`
 }
 
 type Options struct {
-	AllowRegistration    bool `yaml:"disable_registration"    conf:"default:true"`
-	AutoIncrementAssetID bool `yaml:"auto_increment_asset_id" conf:"default:true"`
-	CurrencyConfig string     `yaml:"currencies"`
+	AllowRegistration    bool   `yaml:"disable_registration"    conf:"default:true"`
+	AutoIncrementAssetID bool   `yaml:"auto_increment_asset_id" conf:"default:true"`
+	CurrencyConfig       string `yaml:"currencies"`
 }
 
 type DebugConf struct {