Can create new blogs

backend/cmd/migrate/migrations/20250221184348_update_blogid_default.go

@@ -0,0 +1,19 @@
+package migrations
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/uptrace/bun"
+)
+
+func init() {
+	Migrations.MustRegister(func(ctx context.Context, db *bun.DB) error {
+		fmt.Print(" [up migration] ")
+		_, err := db.Exec(`ALTER TABLE blogs ALTER COLUMN blog_id SET DEFAULT gen_random_uuid()`)
+		return err
+	}, func(ctx context.Context, db *bun.DB) error {
+		fmt.Print(" [down migration] ")
+		return nil
+	})
+}