profiling is now available via the HTTP base URL /debug/pprof/
examples, use this URL to start and download a 30 seconds CPU profile:
/debug/pprof/profile?seconds=30
use this URL to profile used memory:
/debug/pprof/heap?gc=1
use this URL to profile allocated memory:
/debug/pprof/allocs?gc=1
Full docs here:
https://golang.org/pkg/net/http/pprof/