Docker build

[fonelor]

Updated dependencies and got rid of dependencies that do not exist in public maven repos. Also there is docker build stage, so. there is no need to run mvn clean package before building docker image

[parrt]

I've no idea about docker. maybe @kaby76 can review?

[kaby76]

Sorry, can't look at this at the moment. I'm on vaca for a couple of days.

[Myzel394]

@kaby76 can you take a look at this please? looks good to me