Add db

api/internal/app/persistence/database.go

@@ -0,0 +1,29 @@
+package persistence
+
+import (
+	"context"
+	"database/sql"
+	"downloader/internal/app/persistence/migrations"
+	"github.com/uptrace/bun"
+	"github.com/uptrace/bun/dialect/pgdialect"
+	"github.com/uptrace/bun/driver/pgdriver"
+	"github.com/uptrace/bun/extra/bundebug"
+	"github.com/uptrace/bun/migrate"
+)
+
+func NewPostgresDB() *bun.DB {
+	dsn := "postgres://downloader:downloadersecret@localhost:5432/downloader?sslmode=disable"
+	sqldb := sql.OpenDB(pgdriver.NewConnector(pgdriver.WithDSN(dsn)))
+
+	db := bun.NewDB(sqldb, pgdialect.New())
+	db.AddQueryHook(bundebug.NewQueryHook(
+		bundebug.WithVerbose(true),
+		bundebug.FromEnv("BUNDEBUG")))
+
+	migrator := migrate.NewMigrator(db, migrations.Migrations)
+	bgCtx := context.Background()
+	migrator.Init(bgCtx)
+	migrator.Migrate(bgCtx)
+
+	return db
+}