ASP.NET WEB API HTTP REPL
A command line tool can execute CRUD requests for a running WEB API. See HTTP REPL requests in action for a WEB API Controller in .NET 6.
Azure MEAN Linux Virtual Machines
A basic MEAN stack web application is hosted on a Linux Distribution - Ubuntu Virtual Machine in Azure.
Azure Jekyll Static Apps
Azure hosts Azure Static Web Apps for free. GitHub Actions can publish a Jekyll static site to Azure.