diff --git a/internal/bill/domain.go b/internal/bill/domain.go
index 4927860..6f5c608 100644
--- a/internal/bill/domain.go
+++ b/internal/bill/domain.go
@@ -1,9 +1,13 @@
 package bill
 
-import "context"
+import (
+	"context"
+	"gorm.io/gorm"
+)
 
 // Bill represents 'bills' object.
 type Bill struct {
+	gorm.Model
 	ID      int     `json:"id"`
 	Type    string  `json:"type"`
 	Date    string  `json:"date"`
diff --git a/internal/bill/repository.go b/internal/bill/repository.go
index 5f40391..b6df9bc 100644
--- a/internal/bill/repository.go
+++ b/internal/bill/repository.go
@@ -2,63 +2,55 @@ package bill
 
 import (
 	"context"
-	"database/sql"
+	"gorm.io/gorm"
 )
 
-const (
-	QUERY_GET_BILLS          = "SELECT * FROM Bills"
-	QUERY_GET_BILLS_BY_DAY   = ""
-	QUERY_GET_BILLS_BY_MONTH = ""
-	QUERY_GET_BILLS_BY_YEAR  = ""
-	QUERY_GET_BILL_BY_ID     = ""
-)
-
-type mariaDBRepository struct {
-	mariadb *sql.DB
+type databaseRepository struct {
+	db *gorm.DB
 }
 
-func NewMariaDBRepository(mariadb *sql.DB) BillRepository {
-	return &mariaDBRepository{
-		mariadb: mariadb,
+func NewDatabaseRepository(db *gorm.DB) BillRepository {
+	return &databaseRepository{
+		db: db,
 	}
 }
 
-func (m *mariaDBRepository) GetBills(ctx context.Context) (*[]Bill, error) {
+func (db *databaseRepository) GetBills(ctx context.Context) (*[]Bill, error) {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (m *mariaDBRepository) GetBillByDay(ctx context.Context, year int, month int, day int) (*[]Bill, error) {
+func (db *databaseRepository) GetBillByDay(ctx context.Context, year int, month int, day int) (*[]Bill, error) {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (m *mariaDBRepository) GetBillByMonth(ctx context.Context, year int, month int) (*[]Bill, error) {
+func (db *databaseRepository) GetBillByMonth(ctx context.Context, year int, month int) (*[]Bill, error) {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (m *mariaDBRepository) GetBillByYear(ctx context.Context, year int) (*[]Bill, error) {
+func (db *databaseRepository) GetBillByYear(ctx context.Context, year int) (*[]Bill, error) {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (m *mariaDBRepository) GetBillByID(ctx context.Context, id int) (*Bill, error) {
+func (db *databaseRepository) GetBillByID(ctx context.Context, id int) (*Bill, error) {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (m *mariaDBRepository) CreateBill(ctx context.Context, bill *Bill) error {
+func (db *databaseRepository) CreateBill(ctx context.Context, bill *Bill) error {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (m *mariaDBRepository) UpdateBill(ctx context.Context, bill *Bill) error {
+func (db *databaseRepository) UpdateBill(ctx context.Context, bill *Bill) error {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (m *mariaDBRepository) DeleteBill(ctx context.Context, id int) error {
+func (db *databaseRepository) DeleteBill(ctx context.Context, id int) error {
 	//TODO implement me
 	panic("implement me")
 }
diff --git a/internal/infrastructure/fiber.go b/internal/infrastructure/fiber.go
index 393415d..3bbc876 100644
--- a/internal/infrastructure/fiber.go
+++ b/internal/infrastructure/fiber.go
@@ -21,8 +21,8 @@ import (
 // Run our Fiber webserver.
 func Run() {
 	// Try to connect to our database as the initial part.
-	mariadb, err := ConnectToMariaDB()
-	ConnectToSqlite()
+	//mariadb, err := ConnectToMariaDB()
+	sqlite, err := ConnectToSqlite()
 	if err != nil {
 		log.Fatal("Database connection error: $s", err)
 	}
@@ -54,7 +54,7 @@ func Run() {
 	// Create repositories.
 	//cityRepository := city.NewCityRepository(mariadb)
 	//userRepository := user.NewUserRepository(mariadb)
-	billRepository := bill.NewMariaDBRepository(mariadb)
+	billRepository := bill.NewDatabaseRepository(sqlite)
 
 	// Create all of our services.
 	//cityService := city.NewCityService(cityRepository)
diff --git a/internal/infrastructure/sqlit.go b/internal/infrastructure/sqlit.go
index c4ed506..a195968 100644
--- a/internal/infrastructure/sqlit.go
+++ b/internal/infrastructure/sqlit.go
@@ -6,11 +6,11 @@ import (
 )
 
 func ConnectToSqlite() (*gorm.DB, error) {
-	dsn := "test.db"
+	dsn := "bill.db"
 	//dsn := "file::memory:?cache=shared"
 	db, err := gorm.Open(sqlite.Open(dsn), &gorm.Config{})
 	if err != nil {
-		panic("failed to connect database")
+		panic("failed to connect database.\n")
 	}
 
 	return db, nil