Accessing EC2 instance using SSH keys involves some risk around it. AWS has made getting access secure and intuitive with the use Session Manager.

Have been using Snapdrop (https://snapdrop.net), but product demo on the homepage of ubidrop looks compelling.

Maybe you should give OpenFaas a spin. You can run it completely locally on your machine with Docker . It's mostly based off of Kubernetes. But you can also test it on EC2 or any virtual machine using faasd.

https://docs.openfaas.com/ https://github.com/openfaas/faasd