Docker and Compose files

Description

Having Dockerfile and a Compose file would enable Operators to run Onionbalance in containerized environments.

The Onionprobe implementation might be taken as reference.

Tasks

• Create a Dockerfile able to build a working Onionbalance image.
• Create a Compose file with the following services:
  • Tor daemon.
  • Onionbalance.
  • Metrics collector (#42).
  • Metrics dashboard (#44).
  • Alerting service (Alertmanager possibily).