Database scheme: https://dbdiagram.io/d/63ea01e6296d97641d80732a // invalid now, database was increased

working with microservice through Kafka https://github.com/romanchechyotkin/email_sender_microservice

2. run local prometheus using
   --config.file=/home/chechyotka/projects/golang_projects/car_booking_service/prometheus.yml on port 9090
3. run service on port 5000 (on port 5001 running metrics server)
4. TODO set grafana for postgresql