It's my small vk bot that forwards all incoming emails from my mail account to myself in vkontakte social network.
I use VK SDK to send messages and javax.mail to read incoming emails.
Currently, I didn't find out how to properly run this app in docker container (it refuses to connect to my email provider there),
so instead you need to run it in raw state. I mean you need JDK11 and maven.
I personally run it something like that
nohup mvn spring-boot:run &