fixed premission problem after making migrations executed by go

Backend/database.go

@@ -5,7 +5,11 @@ import (
 	"arbeitszeitmessung/models"
 	"database/sql"
 	"fmt"
+	"log/slog"
 
+	"github.com/golang-migrate/migrate/v4"
+	_ "github.com/golang-migrate/migrate/v4/database/postgres"
+	_ "github.com/golang-migrate/migrate/v4/source/file"
 	_ "github.com/lib/pq"
 )
 
@@ -19,3 +23,29 @@ func OpenDatabase() (models.IDatabase, error) {
 	connStr := fmt.Sprintf("postgres://%s:%s@%s:5432/%s?sslmode=disable&TimeZone=%s", dbUser, dbPassword, dbHost, dbName, dbTz)
 	return sql.Open("postgres", connStr)
 }
+
+func Migrate() error {
+	dbHost := helper.GetEnv("POSTGRES_HOST", "localhost")
+	dbName := helper.GetEnv("POSTGRES_DB", "arbeitszeitmessung")
+	// dbUser := helper.GetEnv("POSTGRES_USER", "api_nutzer")
+	dbPassword := helper.GetEnv("POSTGRES_PASSWORD", "password")
+	dbTz := helper.GetEnv("TZ", "Europe/Berlin")
+
+	migrations := helper.GetEnv("MIGRATIONS_DIR", "../migrations")
+
+	connStr := fmt.Sprintf("postgres://%s:%s@%s:5432/%s?sslmode=disable&TimeZone=%s", "migrate", dbPassword, dbHost, dbName, dbTz)
+	m, err := migrate.New(fmt.Sprintf("file://%s", migrations), connStr)
+	if err != nil {
+		return err
+	}
+
+	slog.Info("Connected to database. Running migrations now.")
+
+	// Migrate all the way up ...
+	if err := m.Up(); err != nil && err != migrate.ErrNoChange {
+		return err
+	}
+
+	slog.Info("Finished migrations starting webserver.")
+	return nil
+}

Backend/main.go

@@ -44,6 +44,13 @@ func main() {
 	models.DB, err = OpenDatabase()
 	if err != nil {
 		slog.Error("Error while opening the database", "Error", err)
+		return
+	}
+
+	err = Migrate()
+	if err != nil {
+		slog.Error("Failed to migrate the database to newest version", "Error", err)
+		return
 	}
 
 	fs := http.FileServer(http.Dir("./static"))