diff --git a/api/domain/dto.go b/api/domain/dto.go
new file mode 100644
index 0000000..2a8abb3
--- /dev/null
+++ b/api/domain/dto.go
@@ -0,0 +1,4 @@
+package domain
+
+type UserDto struct {
+}
diff --git a/api/domain/entities.go b/api/domain/entities.go
new file mode 100644
index 0000000..f26454a
--- /dev/null
+++ b/api/domain/entities.go
@@ -0,0 +1,21 @@
+package domain
+
+import "time"
+
+type UserEntity struct {
+	Id          int
+	CreatedAt   time.Time
+	LastUpdated time.Time
+	Name        string
+	Hash        string
+	Scopes      string
+}
+
+type RecipeEntity struct {
+	Id          int32
+	CreatedAt   time.Time
+	LastUpdated time.Time
+	Title       string
+	Thumbnail   string
+	Content     string
+}
diff --git a/api/domain/models.go b/api/domain/models.go
new file mode 100644
index 0000000..a3028ef
--- /dev/null
+++ b/api/domain/models.go
@@ -0,0 +1,6 @@
+package domain
+
+type EnvConfig struct {
+	AdminToken string
+	JwtSecret string
+}
\ No newline at end of file
diff --git a/api/domain/requests.go b/api/domain/requests.go
new file mode 100644
index 0000000..ac66daa
--- /dev/null
+++ b/api/domain/requests.go
@@ -0,0 +1,5 @@
+package domain
+
+type HelloBodyRequest struct {
+	Name string `json:"name" validate:"required"`
+}
\ No newline at end of file
diff --git a/api/domain/responses.go b/api/domain/responses.go
new file mode 100644
index 0000000..b69a21d
--- /dev/null
+++ b/api/domain/responses.go
@@ -0,0 +1,12 @@
+package domain
+
+type ErrorResponse struct {
+	HttpCode int    `json:"code"`
+	Message  string `json:"message"`
+}
+
+type HelloWhoResponse struct {
+	Success bool   `json:"success"`
+	Error   string `json:"error"`
+	Message string `json:"message"`
+}
diff --git a/api/domain/scopes.go b/api/domain/scopes.go
new file mode 100644
index 0000000..49e60b5
--- /dev/null
+++ b/api/domain/scopes.go
@@ -0,0 +1,8 @@
+package domain
+
+const (
+	ScopeAll          = "all"
+	ScopeRecipeRead   = "recipe:read"
+	ScopeRecipeCreate = "recipe:create"
+	ScopeRecipeDelete = "recipe:delete"
+)
diff --git a/api/models/recipe.go b/api/models/recipe.go
deleted file mode 100644
index 9f98366..0000000
--- a/api/models/recipe.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package models
-
-import "time"
-
-type RecipeModel struct {
-	Id          int32
-	Title       string
-	Thumbnail   string
-	Content     string
-	CreatedAt   time.Time
-	LastUpdated time.Time
-}
diff --git a/api/models/std.go b/api/models/std.go
deleted file mode 100644
index efd0955..0000000
--- a/api/models/std.go
+++ /dev/null
@@ -1,6 +0,0 @@
-package models
-
-type ErrorResponse struct {
-	HttpCode int    `json:"code"`
-	Message  string `json:"message"`
-}
diff --git a/api/models/users.go b/api/models/users.go
deleted file mode 100644
index 14560ca..0000000
--- a/api/models/users.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package models
-
-import "time"
-
-type UserModel struct {
-	Id          int
-	Name        string
-	Hash        string
-	CreatedAt   time.Time
-	LastUpdated time.Time
-}
-
-type UserDto struct {
-	
-}