diff --git a/backend/internal/storage/sql.go b/backend/internal/storage/sql.go
new file mode 100644
index 0000000..74690cf
--- /dev/null
+++ b/backend/internal/storage/sql.go
@@ -0,0 +1,25 @@
+package storage
+
+import (
+	"context"
+	"database/sql"
+	"time"
+)
+
+var (
+	QueryTimeoutDuration = time.Second * 5
+)
+
+func withTx(db *sql.DB, ctx context.Context, fn func(*sql.Tx) error) error {
+	tx, err := db.BeginTx(ctx, nil)
+	if err != nil {
+		return err
+	}
+
+	if err := fn(tx); err != nil {
+		_ = tx.Rollback()
+		return err
+	}
+
+	return tx.Commit()
+}
diff --git a/backend/internal/storage/storage.go b/backend/internal/storage/storage.go
index ca533a5..9456de3 100644
--- a/backend/internal/storage/storage.go
+++ b/backend/internal/storage/storage.go
@@ -3,9 +3,17 @@ package storage
 import (
 	"context"
 	"database/sql"
+	"errors"
 	"time"
 )
 
+var (
+	ErrNotFound          = errors.New("resource not found")
+	ErrConflict          = errors.New("resource already exists")
+	ErrDuplicateEmail    = errors.New("a user with that email already exists")
+	ErrDuplicateUsername = errors.New("a user with that username already exists")
+)
+
 type Storage struct {
 	Users interface { // store user id, username, password(hashed+salted), role?
 		GetByID(ctx context.Context, id int64) (*User, error)
@@ -18,8 +26,8 @@ type Storage struct {
 
 		UpdateUserPass(ctx context.Context, user string, oldPassword string, newPass string) error
 
-		CheckPass(ctx context.Context, name string, pass string) (bool, error)
-		SigninUser(ctx context.Context, name string, pass string) (bool, *User, error)
+		// CheckPass(ctx context.Context, name string, pass string) (bool, error)
+		// SigninUser(ctx context.Context, name string, pass string) (bool, *User, error)
 		// ValidCredentials(ctx context.Context, user *User, pass string) (bool, error)
 	}
 
@@ -39,18 +47,29 @@ type Storage struct {
 
 	Roles interface {
 		GetByName(context.Context, string) (*Role, error)
+		GetById(context.Context, int64) (*Role, error)
 	}
 
 	Receipts interface {
-		GetByID(context.Context, int64) (*Receipt, error)
+		GetByID(ctx context.Context, id int64) (*Receipt, error)
+		Create(ctx context.Context, receipt *Receipt) error
+		Delete(ctx context.Context, id int64) error
 	}
 	Images interface {
 		GetByID(context.Context, int64) (*Image, error)
-		RemoveByID(context.Context, int64) (*Image, error)
+		Create(context.Context, *Image) error
+		Delete(context.Context, int64) (*Image, error)
+		ConfirmImage(context.Context, int64) error // may need to change this. Consider finishing https://www.youtube.com/watch?v=pmEmQcd9_KA
+
+		// Can have it so that the client get's a presigned url
+		// For creation, do a delayed check in 10 minutes to clean up the image from AWS or check
 	}
 	Groups interface {
 		GetByID(context.Context, int64)
 		GetUserGroups(context.Context, int64)
+		GetUsersInGroup(context.Context, int64)
+		Create(context.Context, *Group)
+		Delete(context.Context, int64)
 	}
 }
 
@@ -59,17 +78,3 @@ func NewSQLRedisMinIOStorage(db *sql.DB) Storage {
 		Users: &SQLUsersStore{db},
 	}
 }
-
-func withTx(db *sql.DB, ctx context.Context, fn func(*sql.Tx) error) error {
-	tx, err := db.BeginTx(ctx, nil)
-	if err != nil {
-		return err
-	}
-
-	if err := fn(tx); err != nil {
-		_ = tx.Rollback()
-		return err
-	}
-
-	return tx.Commit()
-}
diff --git a/backend/internal/storage/users.go b/backend/internal/storage/users.go
index dcc609b..52a5d48 100644
--- a/backend/internal/storage/users.go
+++ b/backend/internal/storage/users.go
@@ -11,18 +11,19 @@ var (
 )
 
 type User struct {
-	ID        int64    `json:"id"`
-	Username  string   `json:"username"`
-	Email     string   `json:"email"`
-	Password  Password `json:"-"`
-	CreatedAt string   `json:"created_at"`
-	IsActive  bool     `json:"is_active"`
-	Role      Role     `json:"role"`
-	Groups    []int64  `json:"groups"`
+	ID            int64   `json:"id"`
+	Username      string  `json:"username"`
+	Email         string  `json:"email"`
+	Password      string  `json:"-"`
+	CreatedAt     string  `json:"created_at"`
+	IsActive      bool    `json:"is_active"`
+	Role          Role    `json:"role"`
+	PersonalGroup int64   `json:"user_group"`
+	Groups        []int64 `json:"groups"`
 }
 
-type Password struct {
-	text    *string
-	hash    []byte
-	encoded *string
-}
+// type Password struct {
+// 	text    *string
+// 	hash    []byte
+// 	encoded *string
+// }