Imports
- git.autistici.org/ai3/go-common/serverutil
- git.autistici.org/ai3/go-common/tracing
- github.com/coreos/go-systemd/v22/activation
- github.com/coreos/go-systemd/v22/daemon
- github.com/prometheus/client_golang/prometheus/promhttp
- golang.org/x/sync/errgroup