how to run springboot app in visual studio code? is it possible or not?

Yes, it is possible.

1. Install Apache maven in your system. Make sure that the path/maven/bin directory is available in your system's PATH environment variable.

2. open terminal inside vs code(press Ctrl + `)

3. Execute the following command : I used bash terminal for it

   ./mvnw spring-boot:run

The @Vikey solution does note feature debugging, I think. You you should use an integrated solution, like an extension:

https://marketplace.visualstudio.com/items?itemName=vscjava.vscode-spring-boot-dashboard