fix: upload specific standalone artifacts to simplify structure

.gitea/workflows/ci.yml

@@ -58,4 +58,4 @@ jobs:
           docker build -t nextjs-app .
           docker stop nextjs-app || true
           docker rm nextjs-app || true
-          docker run -d -p 3000:3000 --restart unless-stopped --name nextjs-app nextjs-app
+          docker run -d -p 8015:3000 --restart unless-stopped --name nextjs-app nextjs-app