fix/versions-upgrade

[sortigoza]

• npm dependencies - which were outdated and with security vulnerabilities
• node version from 4 to 8
• docker-compose file to v3

[sortigoza]

node v4 has many years deprecated - https://nodejs.org/en/about/releases/

[sortigoza]

I think I better use v10 or v12 since v8 end of life is in 2019-12-31