diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..a9d92cc
Binary files /dev/null and b/.DS_Store differ
diff --git a/internal/accessor/category/get_bulk.go b/internal/accessor/category/get_bulk.go
deleted file mode 100644
index 6e83b0f..0000000
--- a/internal/accessor/category/get_bulk.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package categoryrepository
-
-import (
-	"legalgo-BE-go/database"
-)
-
-func (a *accessor) GetByIDs(ids []string) ([]database.Category, error) {
-	var categories []database.Category
-
-	if err := a.DB.Find(&categories, "id IN ?", ids).Error; err != nil {
-		return nil, err
-	}
-
-	return categories, nil
-}
diff --git a/internal/accessor/category/get_by_ids.go b/internal/accessor/category/get_by_ids.go
new file mode 100644
index 0000000..501ec95
--- /dev/null
+++ b/internal/accessor/category/get_by_ids.go
@@ -0,0 +1,15 @@
+package categoryrepository
+
+import (
+	categorydomain "legalgo-BE-go/internal/domain/category"
+)
+
+func (a *accessor) GetByIDs(ids []string) ([]categorydomain.Category, error) {
+	var categories []categorydomain.Category
+
+	if err := a.DB.Find(&categories, "id IN ?", ids).Error; err != nil {
+		return nil, err
+	}
+
+	return categories, nil
+}
diff --git a/internal/accessor/category/impl.go b/internal/accessor/category/impl.go
index 3672e97..d9e3899 100644
--- a/internal/accessor/category/impl.go
+++ b/internal/accessor/category/impl.go
@@ -14,7 +14,7 @@ type Category interface {
 	Update(categorydomain.Category) error
 
 	GetAllModel() ([]categorydomain.Category, error)
-	GetByIDs([]string) ([]database.Category, error)
+	GetByIDs([]string) ([]categorydomain.Category, error)
 }
 
 func New(
diff --git a/internal/accessor/news/create.go b/internal/accessor/news/create.go
index 5d33993..9720906 100644
--- a/internal/accessor/news/create.go
+++ b/internal/accessor/news/create.go
@@ -5,7 +5,7 @@ import (
 	newsdomain "legalgo-BE-go/internal/domain/news"
 )
 
-func (a *accessor) Create(spec *newsdomain.News) error {
+func (a *accessor) Create(spec newsdomain.News) error {
 	if err := a.db.Create(&spec).Error; err != nil {
 		return fmt.Errorf("failed to create news: %w", err)
 	}
diff --git a/internal/accessor/news/create_model.go b/internal/accessor/news/create_model.go
deleted file mode 100644
index b70eb32..0000000
--- a/internal/accessor/news/create_model.go
+++ /dev/null
@@ -1,13 +0,0 @@
-package newsrepository
-
-import (
-	"fmt"
-	"legalgo-BE-go/database"
-)
-
-func (a *accessor) CreateModel(spec database.News) error {
-	if err := a.db.Create(&spec).Error; err != nil {
-		return fmt.Errorf("failed to create news: %w", err)
-	}
-	return nil
-}
diff --git a/internal/accessor/news/get_all_model.go b/internal/accessor/news/get_all_model.go
deleted file mode 100644
index cbd4fab..0000000
--- a/internal/accessor/news/get_all_model.go
+++ /dev/null
@@ -1,13 +0,0 @@
-package newsrepository
-
-import "legalgo-BE-go/database"
-
-func (a *accessor) GetAllModel() ([]database.News, error) {
-	var news []database.News
-
-	if err := a.db.Preload("Tags").Preload("Categories").Find(&news).Error; err != nil {
-		return nil, err
-	}
-
-	return news, nil
-}
diff --git a/internal/accessor/news/impl.go b/internal/accessor/news/impl.go
index fbe0eab..7dcacd7 100644
--- a/internal/accessor/news/impl.go
+++ b/internal/accessor/news/impl.go
@@ -11,9 +11,7 @@ type accessor struct {
 
 type News interface {
 	GetAll() ([]newsdomain.News, error)
-	GetAllModel() ([]database.News, error)
-	Create(*newsdomain.News) error
-	CreateModel(database.News) error
+	Create(newsdomain.News) error
 }
 
 func New(db *database.DB) News {
diff --git a/internal/accessor/tag/get_all_model.go b/internal/accessor/tag/get_all_model.go
deleted file mode 100644
index 830b6b2..0000000
--- a/internal/accessor/tag/get_all_model.go
+++ /dev/null
@@ -1,13 +0,0 @@
-package tagrepository
-
-import "legalgo-BE-go/database"
-
-func (acc *accessor) GetAllModel() ([]database.Tag, error) {
-	var tags []database.Tag
-
-	if err := acc.DB.Find(&tags).Error; err != nil {
-		return nil, err
-	}
-
-	return tags, nil
-}
diff --git a/internal/accessor/tag/get_bulk_model.go b/internal/accessor/tag/get_bulk_model.go
deleted file mode 100644
index 5cb84c5..0000000
--- a/internal/accessor/tag/get_bulk_model.go
+++ /dev/null
@@ -1,13 +0,0 @@
-package tagrepository
-
-import "legalgo-BE-go/database"
-
-func (a *accessor) GetBulks(ids []string) ([]database.Tag, error) {
-	var tags []database.Tag
-
-	if err := a.DB.Find(&tags, "id IN ?", ids).Error; err != nil {
-		return nil, err
-	}
-
-	return tags, nil
-}
diff --git a/internal/accessor/tag/impl.go b/internal/accessor/tag/impl.go
index dbfc93e..7fbd5dd 100644
--- a/internal/accessor/tag/impl.go
+++ b/internal/accessor/tag/impl.go
@@ -13,9 +13,7 @@ type TagAccessor interface {
 	Create(tagdomain.TagReq) error
 	CreateModel(tagdomain.TagReq) error
 	GetAll() ([]tagdomain.Tag, error)
-	GetAllModel() ([]database.Tag, error)
 	GetByIDs([]string) ([]tagdomain.Tag, error)
-	GetBulks(ids []string) ([]database.Tag, error)
 }
 
 func New(
diff --git a/internal/api/http/news/create.go b/internal/api/http/news/create.go
index f5fb5f8..c01463d 100644
--- a/internal/api/http/news/create.go
+++ b/internal/api/http/news/create.go
@@ -72,7 +72,7 @@ func Create(
 			return
 		}
 
-		if err := newsSvc.CreateModel(spec, staffProfile.ID); err != nil {
+		if err := newsSvc.Create(spec, staffProfile.ID); err != nil {
 			response.ResponseWithErrorCode(
 				ctx,
 				w,
diff --git a/internal/api/http/news/get_all.go b/internal/api/http/news/get_all.go
index b9ff528..dd03164 100644
--- a/internal/api/http/news/get_all.go
+++ b/internal/api/http/news/get_all.go
@@ -14,7 +14,7 @@ func GetAll(
 ) {
 	router.Get("/news", func(w http.ResponseWriter, r *http.Request) {
 		ctx := r.Context()
-		news, err := newsSvc.GetAllModel()
+		news, err := newsSvc.GetAll()
 		if err != nil {
 			response.ResponseWithErrorCode(
 				ctx,
diff --git a/internal/domain/category/spec.go b/internal/domain/category/spec.go
index 1594a8a..4f4594c 100644
--- a/internal/domain/category/spec.go
+++ b/internal/domain/category/spec.go
@@ -3,7 +3,7 @@ package categorydomain
 import "time"
 
 type Category struct {
-	ID        string    `json:"id"`
+	ID        string    `json:"id" gorm:"primaryKey"`
 	Name      string    `json:"name"`
 	Code      string    `json:"code"`
 	CreatedAt time.Time `json:"created_at"`
diff --git a/internal/domain/news/spec.go b/internal/domain/news/spec.go
index 4d5a469..e7fe2be 100644
--- a/internal/domain/news/spec.go
+++ b/internal/domain/news/spec.go
@@ -1,7 +1,7 @@
 package newsdomain
 
 import (
-	"legalgo-BE-go/database"
+	categorydomain "legalgo-BE-go/internal/domain/category"
 	tagdomain "legalgo-BE-go/internal/domain/tag"
 	"time"
 )
@@ -17,16 +17,16 @@ type NewsReq struct {
 }
 
 type News struct {
-	ID            string              `json:"id"`
-	Title         string              `json:"title"`
-	Content       string              `json:"content"`
-	FeaturedImage string              `json:"featured_image"`
-	Tags          []tagdomain.Tag     `json:"tags"`
-	Categories    []database.Category `json:"categories"`
-	IsPremium     bool                `json:"is_premium"`
-	Slug          string              `json:"slug"`
-	AuthorID      string              `json:"author_id"`
-	LiveAt        time.Time           `json:"live_at"`
-	CreatedAt     time.Time           `json:"created_at"`
-	UpdatedAt     time.Time           `json:"updated_at"`
+	ID            string                    `json:"id" gorm:"primaryKey"`
+	Title         string                    `json:"title"`
+	Content       string                    `json:"content"`
+	FeaturedImage string                    `json:"featured_image"`
+	Tags          []tagdomain.Tag           `gorm:"many2many:news_tags" json:"tags"`
+	Categories    []categorydomain.Category `gorm:"many2many:news_categories" json:"categories"`
+	IsPremium     bool                      `json:"is_premium"`
+	Slug          string                    `json:"slug"`
+	AuthorID      string                    `json:"author_id"`
+	LiveAt        time.Time                 `json:"live_at"`
+	CreatedAt     time.Time                 `json:"created_at"`
+	UpdatedAt     time.Time                 `json:"updated_at"`
 }
diff --git a/internal/domain/tag/spec.go b/internal/domain/tag/spec.go
index b57da47..ea28ead 100644
--- a/internal/domain/tag/spec.go
+++ b/internal/domain/tag/spec.go
@@ -1,12 +1,16 @@
 package tagdomain
 
+import "time"
+
 type TagReq struct {
 	Code string `json:"code" validate:"required"`
 	Name string `json:"name" validate:"required"`
 }
 
 type Tag struct {
-	ID   string `json:"id" gorm:"primaryKey"`
-	Code string `json:"code"`
-	Name string `json:"name"`
+	ID        string    `json:"id" gorm:"primaryKey"`
+	Code      string    `json:"code"`
+	Name      string    `json:"name"`
+	CreatedAt time.Time `json:"created_at"`
+	UpdatedAt time.Time `json:"updated_at"`
 }
diff --git a/internal/services/news/create.go b/internal/services/news/create.go
index fd8ee10..517ebef 100644
--- a/internal/services/news/create.go
+++ b/internal/services/news/create.go
@@ -26,7 +26,7 @@ func (i *impl) Create(spec newsdomain.NewsReq, staffId string) error {
 		return err
 	}
 
-	newSpec := &newsdomain.News{
+	newSpec := newsdomain.News{
 		ID:            uuid.NewString(),
 		Title:         spec.Title,
 		Content:       spec.Content,
diff --git a/internal/services/news/create_model.go b/internal/services/news/create_model.go
deleted file mode 100644
index 40f4097..0000000
--- a/internal/services/news/create_model.go
+++ /dev/null
@@ -1,48 +0,0 @@
-package newssvc
-
-import (
-	"legalgo-BE-go/database"
-	newsdomain "legalgo-BE-go/internal/domain/news"
-	"strings"
-	"time"
-
-	"github.com/google/uuid"
-)
-
-func (i *impl) CreateModel(spec newsdomain.NewsReq, staffId string) error {
-	slug := strings.ToLower(strings.ReplaceAll(spec.Title, " ", "-"))
-
-	tags, err := i.tagRepo.GetBulks(spec.Tags)
-	if err != nil {
-		return err
-	}
-
-	categories, err := i.categoryRepo.GetByIDs(spec.Categories)
-	if err != nil {
-		return err
-	}
-
-	parsedTime, err := time.Parse(time.RFC3339, spec.LiveAt)
-	if err != nil {
-		return err
-	}
-
-	newSpec := database.News{
-		ID:            uuid.NewString(),
-		Title:         spec.Title,
-		Content:       spec.Content,
-		FeaturedImage: spec.FeaturedImage,
-		IsPremium:     spec.IsPremium,
-		Slug:          slug,
-		LiveAt:        parsedTime,
-		AuthorID:      staffId,
-		Tags:          tags,
-		Categories:    categories,
-	}
-
-	if err := i.newsRepo.CreateModel(newSpec); err != nil {
-		return err
-	}
-
-	return nil
-}
diff --git a/internal/services/news/get_all_model.go b/internal/services/news/get_all_model.go
deleted file mode 100644
index 42e8b4e..0000000
--- a/internal/services/news/get_all_model.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package newssvc
-
-import (
-	"legalgo-BE-go/database"
-)
-
-func (i *impl) GetAllModel() ([]database.News, error) {
-	return i.newsRepo.GetAllModel()
-}
diff --git a/internal/services/news/impl.go b/internal/services/news/impl.go
index 92c4cce..3bbd4e5 100644
--- a/internal/services/news/impl.go
+++ b/internal/services/news/impl.go
@@ -1,7 +1,6 @@
 package newssvc
 
 import (
-	"legalgo-BE-go/database"
 	categoryrepository "legalgo-BE-go/internal/accessor/category"
 	newsrepository "legalgo-BE-go/internal/accessor/news"
 	tagrepository "legalgo-BE-go/internal/accessor/tag"
@@ -16,9 +15,7 @@ type impl struct {
 
 type News interface {
 	GetAll() ([]newsdomain.News, error)
-	GetAllModel() ([]database.News, error)
 	Create(newsdomain.NewsReq, string) error
-	CreateModel(newsdomain.NewsReq, string) error
 }
 
 func New(
diff --git a/internal/services/tag/get_all_model.go b/internal/services/tag/get_all_model.go
index 70e268a..da4a37f 100644
--- a/internal/services/tag/get_all_model.go
+++ b/internal/services/tag/get_all_model.go
@@ -1,9 +1,9 @@
 package tagsvc
 
 import (
-	"legalgo-BE-go/database"
+	tagdomain "legalgo-BE-go/internal/domain/tag"
 )
 
-func (i *impl) GetAllModel() ([]database.Tag, error) {
-	return i.tagRepo.GetAllModel()
+func (i *impl) GetAllModel() ([]tagdomain.Tag, error) {
+	return i.tagRepo.GetAll()
 }
diff --git a/internal/services/tag/impl.go b/internal/services/tag/impl.go
index 19fb506..b026eff 100644
--- a/internal/services/tag/impl.go
+++ b/internal/services/tag/impl.go
@@ -1,7 +1,6 @@
 package tagsvc
 
 import (
-	"legalgo-BE-go/database"
 	tagrepository "legalgo-BE-go/internal/accessor/tag"
 	tagdomain "legalgo-BE-go/internal/domain/tag"
 )
@@ -13,7 +12,7 @@ type impl struct {
 type Tag interface {
 	Create(tagdomain.TagReq) error
 	GetAll() ([]tagdomain.Tag, error)
-	GetAllModel() ([]database.Tag, error)
+	GetAllModel() ([]tagdomain.Tag, error)
 }
 
 func New(