Imports
- code.cloudfoundry.org/lager
- github.com/golang-migrate/migrate/v4
- github.com/golang-migrate/migrate/v4/database/postgres
- github.com/golang-migrate/migrate/v4/source/file
- github.com/lib/pq
- github.com/prometheus/client_golang/prometheus
- github.com/prometheus/client_golang/prometheus/promauto